Q: What is the sum of all factors of the number 643,123 excluding 643,123?
A: 61,693
The factors of the number 643,123 are: 1, 13, 61, 793, 811, 10543, 49471, 643123.
If you add them up, you will get the total of 643,184. Now subtract 643,123 to get 61,693