Q: What is the sum of all factors of the number 256,222,845 excluding 256,222,845?

A: 206,872,515

Why is 206,872,515 the sum of all factors of 256,222,845, excluding 256,222,845?

The factors of the number 256,222,845 are: 1, 3, 5, 9, 15, 27, 45, 81, 135, 227, 243, 405, 681, 929, 1135, 1215, 2043, 2787, 3405, 4645, 6129, 8361, 10215, 13935, 18387, 25083, 30645, 41805, 55161, 75249, 91935, 125415, 210883, 225747, 275805, 376245, 632649, 1054415, 1128735, 1897947, 3163245, 5693841, 9489735, 17081523, 28469205, 51244569, 85407615, 256222845.

If you add them up, you will get the total of 256,223,051. Now subtract 256,222,845 to get 206,872,515