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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");
int n, x;
int phi[100001];
int main()
{
phi[1] = 1;
for (int i = 2; i <= 100000; i++)
phi[i] = i - 1;
for (int i = 2; i <= 100000; i++)
for (int j = 2 * i; j <= 100000; j += i)
phi[j] -= phi[i];
fin >> n;
for (int i = 1; i <= n; i++)
{
fin >> x;
fout << 2 * x * phi[x] << '\n';
}
return 0;
}