Q: What is the sum of all factors of the number 3,990,623 excluding 3,990,623?
A: 921,025
The factors of the number 3,990,623 are: 1, 7, 13, 91, 43853, 306971, 570089, 3990623.
If you add them up, you will get the total of 3,991,544. Now subtract 3,990,623 to get 921,025