Q: What is the sum of all factors of the number 138,515,377 excluding 138,515,377?

A: 57,278,543

Why is 57,278,543 the sum of all factors of 138,515,377, excluding 138,515,377?

The factors of the number 138,515,377 are: 1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 7283, 19019, 50981, 80113, 94679, 138377, 560791, 662753, 968639, 1041469, 1522147, 1798901, 7290283, 10655029, 12592307, 19787911, 138515377.

If you add them up, you will get the total of 138,515,434. Now subtract 138,515,377 to get 57,278,543