Their numbers are much worse than their division rivals:
If a number equals the sum of its proper divisors, it is said to be a perfect number.
If a number equals the sum of its proper divisors, it is said to be a perfect number.
If a number equals the sum of its proper divisors, it is said to be a perfect number.
If a number equals the sum of its proper divisors, it is said to be a perfect number.
When a number equals the sum of its proper factors, it is called a "perfect number".
Yes, 28 is a perfect number, that is to day 28 equals the sum of its proper positive divisors, i.e., the sum of its divisors excluding 28 itself.
8128 is a perfect number, since it is equal to the sum of its proper divisors.
Yes, 6 is a perfect number, that is to day 6 equals the sum of its proper positive divisors, i.e., the sum of its divisors excluding 6 itself.
33550336 is a perfect number, since it is equal to the sum of its proper divisors.
A perfect number is one that equals the sum of its divisors (including 1 but excluding itself).
Mersenne primes have a close connection to perfect numbers, which are numbers that are equal to the sum of their proper divisors.
Mersenne primes have a close connection to perfect numbers, which are numbers equal to the sum of their proper divisors.
It is a composite number, its proper divisors being 1, 2, 4, 7 and 14, making it a perfect number and a harmonic divisor number.
It is a composite number, its proper divisors being 1, 2, 4, 7 and 14, making it a perfect number and a harmonic divisor number
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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