Q: What is the sum of all factors of the number 11,978 excluding 11,978?
A: 6,490
The factors of the number 11,978 are: 1, 2, 53, 106, 113, 226, 5989, 11978.
If you add them up, you will get the total of 11,984. Now subtract 11,978 to get 6,490