Q: What is the sum of all factors of the number 1,398,978 excluding 1,398,978?
A: 2,154,942
The factors of the number 1,398,978 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 3701, 7402, 11103, 22206, 25907, 33309, 51814, 66618, 77721, 99927, 155442, 199854, 233163, 466326, 699489, 1398978.
If you add them up, you will get the total of 1,398,980. Now subtract 1,398,978 to get 2,154,942