Q: What is the sum of all factors of the number 263,642 excluding 263,642?
A: 138,490
The factors of the number 263,642 are: 1, 2, 61, 122, 2161, 4322, 131821, 263642.
If you add them up, you will get the total of 263,780. Now subtract 263,642 to get 138,490