Q: What is the sum of all factors of the number 1,220,399 excluding 1,220,399?
A: 3,865
The factors of the number 1,220,399 are: 1, 347, 3517, 1220399.
If you add them up, you will get the total of 1,220,402. Now subtract 1,220,399 to get 3,865