Q: What is the sum of all factors of the number 261,456,637 excluding 261,456,637?
A: 23,746,883
The factors of the number 261,456,637 are: 1, 13, 139, 257, 563, 1807, 3341, 7319, 35723, 78257, 144691, 464399, 1017341, 1880983, 20112049, 261456637.
If you add them up, you will get the total of 261,456,660. Now subtract 261,456,637 to get 23,746,883