Q: What is the sum of all factors of the number 2,155,243 excluding 2,155,243?
A: 152,069
The factors of the number 2,155,243 are: 1, 17, 97, 1307, 1649, 22219, 126779, 2155243.
If you add them up, you will get the total of 2,155,395. Now subtract 2,155,243 to get 152,069