Q: What is the sum of all factors of the number 3,964,639 excluding 3,964,639?
A: 647,345
The factors of the number 3,964,639 are: 1, 7, 49, 80911, 566377, 3964639.
If you add them up, you will get the total of 3,965,286. Now subtract 3,964,639 to get 647,345