Q: What is the sum of all factors of the number 138,688,405 excluding 138,688,405?
A: 28,211,267
The factors of the number 138,688,405 are: 1, 5, 353, 1765, 78577, 392885, 27737681, 138688405.
If you add them up, you will get the total of 138,688,433. Now subtract 138,688,405 to get 28,211,267