Playing with divisors is fun

#1

i didnt able to understand the logic plz help me and explain the logic

#2

The product of all the divisors of a number N is N^x where x is the number of divisors of N. The number of divisors is given by product of prime powers+1 for N. for example if N = 12 than its number of divisors are (2+1)*(1+1) = 6. you are already given the prime powers of N hence its number of divisors can be calculated.

#3

https://www.hackerearth.com/problem/algorithm/number-of-divisors-3-4f073391/

#4

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