Q: What is the sum of all factors of the number 397,884 excluding 397,884?
A: 545,604
The factors of the number 397,884 are: 1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 467, 852, 934, 1401, 1868, 2802, 5604, 33157, 66314, 99471, 132628, 198942, 397884.
If you add them up, you will get the total of 398,429. Now subtract 397,884 to get 545,604