Q: What is the sum of all factors of the number 3,908,639 excluding 3,908,639?
A: 620,161
The factors of the number 3,908,639 are: 1, 7, 73, 511, 7649, 53543, 558377, 3908639.
If you add them up, you will get the total of 3,909,259. Now subtract 3,908,639 to get 620,161