Q: What is the sum of all factors of the number 813,521,123 excluding 813,521,123?
A: 1,231,405
The factors of the number 813,521,123 are: 1, 661, 1230743, 813521123.
If you add them up, you will get the total of 813,521,124. Now subtract 813,521,123 to get 1,231,405