Q: What is the sum of all factors of the number 123,275,418 excluding 123,275,418?

A: 161,899,878

Why is 161,899,878 the sum of all factors of 123,275,418, excluding 123,275,418?

The factors of the number 123,275,418 are: 1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 35363, 70726, 106089, 212178, 247541, 495082, 742623, 1485246, 2935129, 5870258, 8805387, 17610774, 20545903, 41091806, 61637709, 123275418.

If you add them up, you will get the total of 123,275,579. Now subtract 123,275,418 to get 161,899,878