Q: What is the sum of all factors of the number 1,289,866 excluding 1,289,866?
A: 644,936
The factors of the number 1,289,866 are: 1, 2, 644933, 1289866.
If you add them up, you will get the total of 1,290,510. Now subtract 1,289,866 to get 644,936