Q: What is the sum of all factors of the number 399,306 excluding 399,306?
A: 413,142
The factors of the number 399,306 are: 1, 2, 3, 6, 61, 122, 183, 366, 1091, 2182, 3273, 6546, 66551, 133102, 199653, 399306.
If you add them up, you will get the total of 399,719. Now subtract 399,306 to get 413,142