Q: What is the sum of all factors of the number 857,978 excluding 857,978?
A: 571,942
The factors of the number 857,978 are: 1, 2, 11, 22, 59, 118, 649, 661, 1298, 1322, 7271, 14542, 38999, 77998, 428989, 857978.
If you add them up, you will get the total of 858,549. Now subtract 857,978 to get 571,942