Q: What is the sum of all factors of the number 644,015,489 excluding 644,015,489?
A: 49,539,667
The factors of the number 644,015,489 are: 1, 13, 49539653, 644015489.
If you add them up, you will get the total of 644,015,538. Now subtract 644,015,489 to get 49,539,667