Q: What is the sum of all factors of the number 2,561,666 excluding 2,561,666?
A: 1,280,836
The factors of the number 2,561,666 are: 1, 2, 1280833, 2561666.
If you add them up, you will get the total of 2,561,667. Now subtract 2,561,666 to get 1,280,836