Why is 312 the sum of all factors of 168, excluding 168?
The factors of the number 168 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168.
If you add them up, you will get the total of 480. Now subtract 168 to get 312
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