Q: What is the sum of all factors of the number 1,557,978 excluding 1,557,978?
A: 1,589,478
The factors of the number 1,557,978 are: 1, 2, 3, 6, 103, 206, 309, 618, 2521, 5042, 7563, 15126, 259663, 519326, 778989, 1557978.
If you add them up, you will get the total of 1,557,979. Now subtract 1,557,978 to get 1,589,478