Q: What is the sum of all factors of the number 1,291,385 excluding 1,291,385?
A: 258,283
The factors of the number 1,291,385 are: 1, 5, 258277, 1291385.
If you add them up, you will get the total of 1,291,643. Now subtract 1,291,385 to get 258,283