Q: What is the sum of all factors of the number 638,896 excluding 638,896?
A: 618,216
The factors of the number 638,896 are: 1, 2, 4, 8, 16, 73, 146, 292, 547, 584, 1094, 1168, 2188, 4376, 8752, 39931, 79862, 159724, 319448, 638896.
If you add them up, you will get the total of 639,514. Now subtract 638,896 to get 618,216