Q: What is the sum of all factors of the number 639,545 excluding 639,545?
A: 148,879
The factors of the number 639,545 are: 1, 5, 37, 185, 3457, 17285, 127909, 639545.
If you add them up, you will get the total of 639,693. Now subtract 639,545 to get 148,879