Q: What is the sum of all factors of the number 1,288,705 excluding 1,288,705?
A: 398,399
The factors of the number 1,288,705 are: 1, 5, 11, 55, 23431, 117155, 257741, 1288705.
If you add them up, you will get the total of 1,289,103. Now subtract 1,288,705 to get 398,399