Q: What is the sum of all factors of the number 678,042 excluding 678,042?
A: 807,078
The factors of the number 678,042 are: 1, 2, 3, 6, 9, 18, 139, 271, 278, 417, 542, 813, 834, 1251, 1626, 2439, 2502, 4878, 37669, 75338, 113007, 226014, 339021, 678042.
If you add them up, you will get the total of 678,849. Now subtract 678,042 to get 807,078