Q: What is the sum of all factors of the number 1,987,539 excluding 1,987,539?
A: 662,517
The factors of the number 1,987,539 are: 1, 3, 662513, 1987539.
If you add them up, you will get the total of 1,988,201. Now subtract 1,987,539 to get 662,517