Q: What is the sum of all factors of the number 137,978 excluding 137,978?
A: 79,942
The factors of the number 137,978 are: 1, 2, 19, 38, 3631, 7262, 68989, 137978.
If you add them up, you will get the total of 138,057. Now subtract 137,978 to get 79,942