Q: What is the sum of all factors of the number 645,679 excluding 645,679?
A: 39,761
The factors of the number 645,679 are: 1, 23, 67, 419, 1541, 9637, 28073, 645679.
If you add them up, you will get the total of 645,718. Now subtract 645,679 to get 39,761