Q: What is the sum of all factors of the number 513,263,055 excluding 513,263,055?

A: 388,775,985

Why is 388,775,985 the sum of all factors of 513,263,055, excluding 513,263,055?

The factors of the number 513,263,055 are: 1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 6555, 78301, 234903, 391505, 1174515, 1487719, 1800923, 4463157, 5402769, 7438595, 9004615, 22315785, 27013845, 34217537, 102652611, 171087685, 513263055.

If you add them up, you will get the total of 513,263,443. Now subtract 513,263,055 to get 388,775,985