Tag: math problems

Given an array of integers nums and an integer threshold, we will choose a positive integer divisor and divide all the array by it and sum the result of …

Given two positive integers x and y, an integer is powerful if it is equal to x^i + y^j for some integers i >= 0 and j >= 0. …

We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n, write a …