Q: What is the sum of all factors of the number 668,678 excluding 668,678?
A: 412,186
The factors of the number 668,678 are: 1, 2, 17, 34, 71, 142, 277, 554, 1207, 2414, 4709, 9418, 19667, 39334, 334339, 668678.
If you add them up, you will get the total of 669,090. Now subtract 668,678 to get 412,186