Q: What is the sum of all factors of the number 31,405 excluding 31,405?
A: 9,779
The factors of the number 31,405 are: 1, 5, 11, 55, 571, 2855, 6281, 31405.
If you add them up, you will get the total of 31,414. Now subtract 31,405 to get 9,779