Q: What is the sum of all factors of the number 9,786 excluding 9,786?
A: 12,678
The factors of the number 9,786 are: 1, 2, 3, 6, 7, 14, 21, 42, 233, 466, 699, 1398, 1631, 3262, 4893, 9786.
If you add them up, you will get the total of 9,798. Now subtract 9,786 to get 12,678