Q: What is the sum of all factors of the number 520,391 excluding 520,391?
A: 37,609
The factors of the number 520,391 are: 1, 19, 61, 449, 1159, 8531, 27389, 520391.
If you add them up, you will get the total of 520,428. Now subtract 520,391 to get 37,609