Q: What is the sum of all factors of the number 398,424 excluding 398,424?
A: 675,096
The factors of the number 398,424 are: 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1277, 2554, 3831, 5108, 7662, 10216, 15324, 16601, 30648, 33202, 49803, 66404, 99606, 132808, 199212, 398424.
If you add them up, you will get the total of 399,099. Now subtract 398,424 to get 675,096