Q: What is the sum of all factors of the number 78,221 excluding 78,221?
A: 13,843
The factors of the number 78,221 are: 1, 11, 13, 143, 547, 6017, 7111, 78221.
If you add them up, you will get the total of 78,234. Now subtract 78,221 to get 13,843