Q: What is the sum of all factors of the number 152,211,521 excluding 152,211,521?

A: 43,646,911

Why is 43,646,911 the sum of all factors of 152,211,521, excluding 152,211,521?

The factors of the number 152,211,521 are: 1, 7, 11, 47, 77, 137, 307, 329, 517, 959, 1507, 2149, 3377, 3619, 6439, 10549, 14429, 23639, 42059, 45073, 70829, 101003, 158719, 294413, 462649, 495803, 1111033, 1976773, 3238543, 13837411, 21744503, 152211521.

If you add them up, you will get the total of 152,211,564. Now subtract 152,211,521 to get 43,646,911