Q: What is the sum of all factors of the number 398,438,859 excluding 398,438,859?
A: 290,226,741
The factors of the number 398,438,859 are: 1, 3, 7, 13, 21, 29, 39, 59, 87, 91, 177, 203, 273, 377, 413, 609, 767, 853, 1131, 1239, 1711, 2301, 2559, 2639, 5133, 5369, 5971, 7917, 11089, 11977, 16107, 17913, 22243, 24737, 33267, 35931, 50327, 66729, 74211, 77623, 150981, 155701, 173159, 232869, 321581, 352289, 467103, 519477, 654251, 964743, 1056867, 1459483, 1962753, 2251067, 4378449, 4579757, 6753201, 10216381, 13739271, 18973279, 30649143, 56919837, 132812953, 398438859.
If you add them up, you will get the total of 398,439,149. Now subtract 398,438,859 to get 290,226,741