Q: What is the sum of all factors of the number 398,139 excluding 398,139?
A: 208,581
The factors of the number 398,139 are: 1, 3, 7, 21, 18959, 56877, 132713, 398139.
If you add them up, you will get the total of 398,347. Now subtract 398,139 to get 208,581