Q: What is the sum of all factors of the number 378,733,047 excluding 378,733,047?

A: 251,931,657

Why is 251,931,657 the sum of all factors of 378,733,047, excluding 378,733,047?

The factors of the number 378,733,047 are: 1, 3, 7, 11, 21, 33, 77, 231, 821, 1997, 2463, 5747, 5991, 9031, 13979, 17241, 21967, 27093, 41937, 63217, 65901, 153769, 189651, 461307, 1639537, 4918611, 11476759, 18034907, 34430277, 54104721, 126244349, 378733047.

If you add them up, you will get the total of 378,733,298. Now subtract 378,733,047 to get 251,931,657