Q: What is the sum of all factors of the number 17,978 excluding 17,978?
A: 9,562
The factors of the number 17,978 are: 1, 2, 89, 101, 178, 202, 8989, 17978.
If you add them up, you will get the total of 17,987. Now subtract 17,978 to get 9,562