Q: What is the sum of all factors of the number 1,991,975 excluding 1,991,975?
A: 708,745
The factors of the number 1,991,975 are: 1, 5, 17, 25, 43, 85, 109, 215, 425, 545, 731, 1075, 1853, 2725, 3655, 4687, 9265, 18275, 23435, 46325, 79679, 117175, 398395, 1991975.
If you add them up, you will get the total of 1,992,683. Now subtract 1,991,975 to get 708,745