Q: What is the sum of all factors of the number 311,978 excluding 311,978?
A: 158,362
The factors of the number 311,978 are: 1, 2, 389, 401, 778, 802, 155989, 311978.
If you add them up, you will get the total of 312,136. Now subtract 311,978 to get 158,362