#include #include #include #include using namespace std; const int maxn = 1e5 + 10; typedef long long ll; vector prime_divisors(ll n) { vector res; ll i = 2; while(i * i <= n) { if(n % i == 0) { res.push_back(i); while(n % i == 0) { n /= i; } } i++; } if(n > 1) { res.push_back(n); } return res; } int main() { return 0; }