Q: What is the sum of all factors of the number 1,280,589 excluding 1,280,589?
A: 426,867
The factors of the number 1,280,589 are: 1, 3, 426863, 1280589.
If you add them up, you will get the total of 1,281,015. Now subtract 1,280,589 to get 426,867