Q: What is the sum of all factors of the number 13,750,891 excluding 13,750,891?
A: 3,563,669
The factors of the number 13,750,891 are: 1, 7, 11, 77, 107, 749, 1177, 1669, 8239, 11683, 18359, 128513, 178583, 1250081, 1964413, 13750891.
If you add them up, you will get the total of 13,750,894. Now subtract 13,750,891 to get 3,563,669