Q: What is the sum of all factors of the number 424,424 excluding 424,424?

A: 664,216

Why is 664,216 the sum of all factors of 424,424, excluding 424,424?

The factors of the number 424,424 are: 1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 53, 56, 77, 88, 91, 104, 106, 143, 154, 182, 212, 286, 308, 364, 371, 424, 572, 583, 616, 689, 728, 742, 1001, 1144, 1166, 1378, 1484, 2002, 2332, 2756, 2968, 4004, 4081, 4664, 4823, 5512, 7579, 8008, 8162, 9646, 15158, 16324, 19292, 30316, 32648, 38584, 53053, 60632, 106106, 212212, 424424.

If you add them up, you will get the total of 425,088. Now subtract 424,424 to get 664,216