Q: What is the sum of all factors of the number 990,856 excluding 990,856?
A: 878,984
The factors of the number 990,856 are: 1, 2, 4, 8, 211, 422, 587, 844, 1174, 1688, 2348, 4696, 123857, 247714, 495428, 990856.
If you add them up, you will get the total of 991,734. Now subtract 990,856 to get 878,984