AQuA-RAT train #70074 · Number Theory · Divisibility
A positive integer n is a perfect number provided that the sum…
A positive integer n is a perfect number provided that the sum of all the positive factors of n, including 1 and n, is equal to 2n. What is the sum of the reciprocals of all the positive factors of the perfect number 28?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #70074
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