Q: What is the sum of all factors of the number 215,868 excluding 215,868?
A: 287,852
The factors of the number 215,868 are: 1, 2, 3, 4, 6, 12, 17989, 35978, 53967, 71956, 107934, 215868.
If you add them up, you will get the total of 216,155. Now subtract 215,868 to get 287,852