Q: What is the sum of all factors of the number 1,298,143 excluding 1,298,143?
A: 392,993
The factors of the number 1,298,143 are: 1, 7, 11, 23, 77, 161, 253, 733, 1771, 5131, 8063, 16859, 56441, 118013, 185449, 1298143.
If you add them up, you will get the total of 1,298,535. Now subtract 1,298,143 to get 392,993