Sum all my divisors excluding me, and you might find I match myself perfectly. What number wears this rare symmetry well?

Category: Math · Difficulty: hard

Hint: Certain numbers equal the sum of their proper divisors.

Answer

A perfect number in math

Explanation

This riddle highlights perfect numbers, which are equal to the sum of their proper divisors.

This is a hard math riddle — a tricky one that takes a little thought. The answer is A perfect number in math.

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