Q: What is the sum of all factors of the number 672 excluding 672?
A: 1,344
The factors of the number 672 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672.
If you add them up, you will get the total of 673. Now subtract 672 to get 1,344