#include <cstdio>

long long phi[1<<17],n,x;

void multiplu(long long N)
{
	for (int i=1;i<=N;i++) 
		phi[i]=i;
	for (int i=2;i<=N;i++)
		if (phi[i]==i)
			for (int j=i;j<=N;j+=i) phi[j] /=i, phi[j] *= (i-1);
}
void rez()
{
	freopen("sum.in","r",stdin);
	freopen("sum.out","w",stdout);
	scanf("%lld",&n);
	for(int k=1;k<=n;++k)
	{
		scanf("%lld",&x);
		multiplu(x);
		printf("%lld",phi[x]*x*2);
		printf("\n");
	}
}
int main()
{
	rez();
	return 0;
}