Q: What is the sum of all factors of the number 12,543,215 excluding 12,543,215?
A: 2,931,025
The factors of the number 12,543,215 are: 1, 5, 71, 89, 355, 397, 445, 1985, 6319, 28187, 31595, 35333, 140935, 176665, 2508643, 12543215.
If you add them up, you will get the total of 12,543,217. Now subtract 12,543,215 to get 2,931,025