Q: What is the sum of all factors of the number 1,987,971 excluding 1,987,971?
A: 662,661
The factors of the number 1,987,971 are: 1, 3, 662657, 1987971.
If you add them up, you will get the total of 1,988,633. Now subtract 1,987,971 to get 662,661