Q: What is the sum of all factors of the number 640,633,641 excluding 640,633,641?
A: 232,661,463
The factors of the number 640,633,641 are: 1, 3, 47, 141, 1237, 3673, 3711, 11019, 58139, 172631, 174417, 517893, 4543501, 13630503, 213544547, 640633641.
If you add them up, you will get the total of 640,633,873. Now subtract 640,633,641 to get 232,661,463