#include <stdio.h>
#include <math.h>
using namespace std;

#define MAX 100005

long long sum;
long n,x,j,i;
long long v[MAX];
char u[MAX];
void ciur()
{
    for (i=1;i<=MAX;i++)
      v[i]=i-1;
    for (i=2;i<=MAX;i++)
     if (u[i]==0)
      for (j=2*i;j<=MAX;j+=i)
      {
          u[i]=1;
          v[j]-=v[i]; 
      }     
}        
int main()
{
    ciur();
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    scanf("%ld\n",&n);
    for (i=1;i<=n;i++)
    {
        scanf("%ld\n",&x);
        sum=v[x]*x*2;
        printf("%lld\n",sum);
    }       
    return 0;
}