Q: What is the sum of all factors of the number 1,603,639 excluding 1,603,639?
A: 6,641
The factors of the number 1,603,639 are: 1, 251, 6389, 1603639.
If you add them up, you will get the total of 1,603,645. Now subtract 1,603,639 to get 6,641