Q: What is the sum of all factors of the number 38,720,257 excluding 38,720,257?
A: 278,703
The factors of the number 38,720,257 are: 1, 139, 278563, 38720257.
If you add them up, you will get the total of 38,720,535. Now subtract 38,720,257 to get 278,703