Q: What is the sum of all factors of the number 1,287,139 excluding 1,287,139?
A: 183,885
The factors of the number 1,287,139 are: 1, 7, 183877, 1287139.
If you add them up, you will get the total of 1,287,322. Now subtract 1,287,139 to get 183,885