Q: What is the sum of all factors of the number 161,161 excluding 161,161?
A: 68,663
The factors of the number 161,161 are: 1, 7, 11, 13, 23, 49, 77, 91, 143, 161, 253, 299, 539, 637, 1001, 1127, 1771, 2093, 3289, 7007, 12397, 14651, 23023, 161161.
If you add them up, you will get the total of 161,229. Now subtract 161,161 to get 68,663