Q: What is the sum of all factors of the number 878,776,875 excluding 878,776,875?

A: 707,406,009

Why is 707,406,009 the sum of all factors of 878,776,875, excluding 878,776,875?

The factors of the number 878,776,875 are: 1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5625, 156227, 468681, 781135, 1406043, 2343405, 3905675, 7030215, 11717025, 19528375, 35151075, 58585125, 97641875, 175755375, 292925625, 878776875.

If you add them up, you will get the total of 878,777,582. Now subtract 878,776,875 to get 707,406,009