Q: What is the sum of all factors of the number 643,696 excluding 643,696?
A: 603,496
The factors of the number 643,696 are: 1, 2, 4, 8, 16, 40231, 80462, 160924, 321848, 643696.
If you add them up, you will get the total of 644,299. Now subtract 643,696 to get 603,496