Q: What is the sum of all factors of the number 1,286,842 excluding 1,286,842?
A: 643,424
The factors of the number 1,286,842 are: 1, 2, 643421, 1286842.
If you add them up, you will get the total of 1,287,485. Now subtract 1,286,842 to get 643,424