Q: What is the sum of all factors of the number 640,339 excluding 640,339?
A: 134,669
The factors of the number 640,339 are: 1, 7, 17, 119, 5381, 37667, 91477, 640339.
If you add them up, you will get the total of 640,473. Now subtract 640,339 to get 134,669