Q: What is the sum of all factors of the number 1,639,885 excluding 1,639,885?
A: 479,435
The factors of the number 1,639,885 are: 1, 5, 13, 65, 25229, 126145, 327977, 1639885.
If you add them up, you will get the total of 1,640,364. Now subtract 1,639,885 to get 479,435