Q: What is the sum of all factors of the number 813,505 excluding 813,505?
A: 404,159
The factors of the number 813,505 are: 1, 5, 7, 11, 35, 55, 77, 385, 2113, 10565, 14791, 23243, 73955, 116215, 162701, 813505.
If you add them up, you will get the total of 813,909. Now subtract 813,505 to get 404,159