Q: What is the sum of all factors of the number 642,710,334 excluding 642,710,334?

A: 844,049,346

Why is 844,049,346 the sum of all factors of 642,710,334, excluding 642,710,334?

The factors of the number 642,710,334 are: 1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 184369, 368738, 553107, 1106214, 1290583, 2581166, 3871749, 7743498, 15302627, 30605254, 45907881, 91815762, 107118389, 214236778, 321355167, 642710334.

If you add them up, you will get the total of 642,711,178. Now subtract 642,710,334 to get 844,049,346