Q: What is the sum of all factors of the number 259,428 excluding 259,428?
A: 392,860
The factors of the number 259,428 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1663, 3326, 4989, 6652, 9978, 19956, 21619, 43238, 64857, 86476, 129714, 259428.
If you add them up, you will get the total of 259,820. Now subtract 259,428 to get 392,860