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Find the smallest positive integer that is exactly half the sum of its proper divisors?

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Find the smallest positive integer that is exactly half the sum of its proper divisors?
posted Sep 3 by anonymous

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1 Answer

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The first/smallest perfect number is 6.
Its proper divisors are 1, 2, and 3, and 1 + 2 + 3 = 6. The number 6 is equal to half the sum of all its positive divisors: (1+2+3+6)/2=6.
Note-- The next perfect number is 28--> 28=1+2+4+7+14. This is followed by 496 and 8128

answer Sep 3 by Hanifa Mammadov
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