Q: What is the sum of all factors of the number 1,255,639 excluding 1,255,639?
A: 380,201
The factors of the number 1,255,639 are: 1, 7, 11, 23, 77, 161, 253, 709, 1771, 4963, 7799, 16307, 54593, 114149, 179377, 1255639.
If you add them up, you will get the total of 1,256,019. Now subtract 1,255,639 to get 380,201