#include <fstream>
using namespace std;

#define MAX 100005
long long sum;
long n,x,j,i;
long long v[MAX];
char u[MAX]={0};
void ciur()
{
    for (int i = 1; i <= MAX; ++i)
      v[i] = i-1;
    for (int i = 2; i <= MAX; ++i)
     if (u[i]==0)
     for (int j = 2*i; j <= MAX; j += i){
        v[j] -= v[i];
        u[j] = 1; }
}        
int main()
{
    ciur();
    ifstream f("sum.in");
    ofstream g("sum.out");
    f>>n;
    for (i=1;i<=n;i++)
    {
        f>>x;
        sum=v[x]*x*2;
        g<<sum<<"\n";
    }     
    return 0;
}