Mathematics, 04.03.2020 23:25, slawson4328

A number is perfect if it is equal to the sum of its positive divisors, other than itself. For example, 6 is perfect, because 6 D 1 C 2 C 3. Similarly, 28 is perfect, because 28 D 1 C 2 C 4 C 7 C 14. Explain why 2k1.2k 1/ is perfect when 2k 1 is prime.

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A number is perfect if it is equal to the sum of its positive divisors, other than itself. For examp...