Q: What is the sum of all factors of the number 172,828,721 excluding 172,828,721?
A: 13,468,663
The factors of the number 172,828,721 are: 1, 13, 1181, 11257, 15353, 146341, 13294517, 172828721.
If you add them up, you will get the total of 172,828,734. Now subtract 172,828,721 to get 13,468,663