Q: What is the sum of all factors of the number 664,309 excluding 664,309?
A: 70,091
The factors of the number 664,309 are: 1, 17, 23, 391, 1699, 28883, 39077, 664309.
If you add them up, you will get the total of 664,379. Now subtract 664,309 to get 70,091