Q: What is the sum of all factors of the number 215,728 excluding 215,728?
A: 209,592
The factors of the number 215,728 are: 1, 2, 4, 8, 16, 97, 139, 194, 278, 388, 556, 776, 1112, 1552, 2224, 13483, 26966, 53932, 107864, 215728.
If you add them up, you will get the total of 215,937. Now subtract 215,728 to get 209,592