Q: What is the sum of all factors of the number 639,815 excluding 639,815?
A: 197,833
The factors of the number 639,815 are: 1, 5, 11, 55, 11633, 58165, 127963, 639815.
If you add them up, you will get the total of 640,012. Now subtract 639,815 to get 197,833