Q: What is the sum of all factors of the number 816,306,387 excluding 816,306,387?
A: 380,767,533
The factors of the number 816,306,387 are: 1, 3, 13, 39, 47, 141, 611, 1833, 445339, 1336017, 5789407, 17368221, 20930933, 62792799, 272102129, 816306387.
If you add them up, you will get the total of 816,306,767. Now subtract 816,306,387 to get 380,767,533