Factors and Coprimes

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Today Pintu is solving some problems from IIIT Kalyani Coding Club's Daily Practice Problem website. He is getting Wrong Answer on a ad-hoc type problem. Being a classmate of you, Pintu is asking you to give some testcases where his code fails. ###The Problem You are given an integer $N$. Let $S$ be the sum of all factors of $N$ and $C$ be the sum of all numbers that lie within the range $[2,N

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solution.cppC++17

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