Q: What is the sum of all factors of the number 213,123,023 excluding 213,123,023?
A: 408,025
The factors of the number 213,123,023 are: 1, 523, 407501, 213123023.
If you add them up, you will get the total of 213,123,431. Now subtract 213,123,023 to get 408,025