Q: What is the sum of all factors of the number 123,318 excluding 123,318?

A: 191,178

Why is 191,178 the sum of all factors of 123,318, excluding 123,318?

The factors of the number 123,318 are: 1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 51, 62, 78, 93, 102, 117, 153, 186, 221, 234, 279, 306, 403, 442, 527, 558, 663, 806, 1054, 1209, 1326, 1581, 1989, 2418, 3162, 3627, 3978, 4743, 6851, 7254, 9486, 13702, 20553, 41106, 61659, 123318.

If you add them up, you will get the total of 123,509. Now subtract 123,318 to get 191,178