Q: What is the sum of all factors of the number 661,447,777 excluding 661,447,777?
A: 28,758,623
The factors of the number 661,447,777 are: 1, 23, 28758599, 661447777.
If you add them up, you will get the total of 661,447,805. Now subtract 661,447,777 to get 28,758,623