Q: What is the sum of all factors of the number 100,042,501 excluding 100,042,501?

A: 19,387,355

Why is 19,387,355 the sum of all factors of 100,042,501, excluding 100,042,501?

The factors of the number 100,042,501 are: 1, 13, 17, 41, 61, 181, 221, 533, 697, 793, 1037, 2353, 2501, 3077, 7421, 9061, 11041, 13481, 32513, 40001, 42517, 96473, 126157, 143533, 187697, 452681, 552721, 1640041, 2440061, 5884853, 7695577, 100042501.

If you add them up, you will get the total of 100,042,520. Now subtract 100,042,501 to get 19,387,355