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Omni-MATH / Let S be a set of positive integers, such that n∈S if and only if ∑_(d|n,d<n,d∈S)d≤n Find all positive integers n=2^(k)⋅p where k is a non-negative integer and p is an odd prime, s… · Discussion

Discussing Let S be a set of positive integers, such that n∈S if and only if ∑_(d|n,d<n,d∈S)d≤n Find all positive integers n=2^(k)⋅p where k is a non-negative integer and p is an odd prime, s… · Omni-MATH

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