Q: What is the sum of all factors of the number 3,966,991 excluding 3,966,991?
A: 891,689
The factors of the number 3,966,991 are: 1, 7, 19, 49, 133, 931, 4261, 29827, 80959, 208789, 566713, 3966991.
If you add them up, you will get the total of 3,967,882. Now subtract 3,966,991 to get 891,689