Q: What is the sum of all factors of the number 123,442,904 excluding 123,442,904?

A: 128,169,016

Why is 128,169,016 the sum of all factors of 123,442,904, excluding 123,442,904?

The factors of the number 123,442,904 are: 1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2782, 5564, 11093, 11128, 22186, 44372, 88744, 144209, 288418, 576836, 1153672, 1186951, 2373902, 4747804, 9495608, 15430363, 30860726, 61721452, 123442904.

If you add them up, you will get the total of 123,443,032. Now subtract 123,442,904 to get 128,169,016