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Omni-MATH / Let N denote the set of positive integers. Find all functions f:mathbbNlongrightarrowmathbbN such that n+f(m)∣f(n)+nf(m) for all m,n∈N · Discussion

Discussing Let N denote the set of positive integers. Find all functions f:mathbb{N}longrightarrowmathbb{N} such that n+f(m)∣f(n)+nf(m) for all m,n∈N · Omni-MATH

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