Q: What is the sum of all factors of the number 123,642 excluding 123,642?
A: 144,288
The factors of the number 123,642 are: 1, 2, 3, 6, 9, 18, 6869, 13738, 20607, 41214, 61821, 123642.
If you add them up, you will get the total of 123,786. Now subtract 123,642 to get 144,288