Q: What is the sum of all factors of the number 765,888,309 excluding 765,888,309?
A: 398,620,491
The factors of the number 765,888,309 are: 1, 3, 9, 19, 57, 171, 4478879, 13436637, 40309911, 85098701, 255296103, 765888309.
If you add them up, you will get the total of 765,888,707. Now subtract 765,888,309 to get 398,620,491