Q: What is the sum of all factors of the number 255,407 excluding 255,407?
A: 12,433
The factors of the number 255,407 are: 1, 53, 61, 79, 3233, 4187, 4819, 255407.
If you add them up, you will get the total of 255,419. Now subtract 255,407 to get 12,433