Q: What is the sum of all factors of the number 261,898 excluding 261,898?
A: 221,942
The factors of the number 261,898 are: 1, 2, 7, 13, 14, 26, 91, 182, 1439, 2878, 10073, 18707, 20146, 37414, 130949, 261898.
If you add them up, you will get the total of 262,119. Now subtract 261,898 to get 221,942