Q: What is the sum of all factors of the number 399,116 excluding 399,116?
A: 306,316
The factors of the number 399,116 are: 1, 2, 4, 113, 226, 452, 883, 1766, 3532, 99779, 199558, 399116.
If you add them up, you will get the total of 399,422. Now subtract 399,116 to get 306,316