Q: What is the sum of all factors of the number 2,639,589 excluding 2,639,589?
A: 879,867
The factors of the number 2,639,589 are: 1, 3, 879863, 2639589.
If you add them up, you will get the total of 2,640,468. Now subtract 2,639,589 to get 879,867