Q: What is the sum of all factors of the number 666,663,709 excluding 666,663,709?
A: 2,535,107
The factors of the number 666,663,709 are: 1, 263, 2534843, 666663709.
If you add them up, you will get the total of 666,663,711. Now subtract 666,663,709 to get 2,535,107