Q: What is the sum of all factors of the number 4,505,431 excluding 4,505,431?
A: 643,641
The factors of the number 4,505,431 are: 1, 7, 643633, 4505431.
If you add them up, you will get the total of 4,506,074. Now subtract 4,505,431 to get 643,641