Q: What is the sum of all factors of the number 8,404 excluding 8,404?
A: 7,724
The factors of the number 8,404 are: 1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 4202, 8404.
If you add them up, you will get the total of 8,411. Now subtract 8,404 to get 7,724