Q: What is the sum of all factors of the number 639,457 excluding 639,457?
A: 147,679
The factors of the number 639,457 are: 1, 7, 13, 91, 7027, 49189, 91351, 639457.
If you add them up, you will get the total of 639,604. Now subtract 639,457 to get 147,679