Q: What is the sum of all factors of the number 1,264,639 excluding 1,264,639?
A: 3,641
The factors of the number 1,264,639 are: 1, 389, 3251, 1264639.
If you add them up, you will get the total of 1,264,642. Now subtract 1,264,639 to get 3,641