import java.util.*;
import java.lang.*;

public class Sticks
{
	public static void main(String args[])
	{
		Scanner ob=new Scanner(System.in);
		int n=ob.nextInt();
		long[] a=new long[n];
		long c=0;
		for(int i=0;i<n;i++)
		{
			a[i]=ob.nextLong();
		}
		for(int j=0;j<n;j++)
		{
			c=c+(long)noOfMoves(a[j]);
		}
		System.out.println(c);
	}
	
	public static long divisor(long p)
	{
		long d=0;
		for(int i=3;i<=Math.sqrt(p);i++)
		{
			if(p%i==0)
			{
				d=p/i;
				break;
			}
		}
		if(d==0)
		{
			return p;
		}
		else
		{
			return d;
		}
	}
	public static long noOfMoves(long p)
	{
		if(p==1)
			return 1;
		if(p==2)
			return 3;
		if(p==3)
			return 4;
		if(p==4)
			return 7;
		if(p==5)
			return 6;
		if(p==6)
			return 10;
		if(p==7)
			return 8;
		if(p%2==0)
		{
			return p+(long)noOfMoves(p/2);
		}
		else
		{
			long d=divisor(p);
			if(d==p)
				return p+(long)1;
			else
				return p+(long)noOfMoves(d);
		}
	}
}