Q: What is the sum of all factors of the number 424,220,313 excluding 424,220,313?

A: 203,449,191

Why is 203,449,191 the sum of all factors of 424,220,313, excluding 424,220,313?

The factors of the number 424,220,313 are: 1, 3, 11, 33, 121, 131, 363, 393, 811, 1331, 1441, 2433, 3993, 4323, 8921, 15851, 26763, 47553, 98131, 106241, 174361, 294393, 318723, 523083, 1079441, 1168651, 3238323, 3505953, 12855161, 38565483, 141406771, 424220313.

If you add them up, you will get the total of 424,220,516. Now subtract 424,220,313 to get 203,449,191