Q: What is the sum of all factors of the number 388,816 excluding 388,816?
A: 404,784
The factors of the number 388,816 are: 1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1279, 2558, 5116, 10232, 20464, 24301, 48602, 97204, 194408, 388816.
If you add them up, you will get the total of 389,220. Now subtract 388,816 to get 404,784