Q: What is the sum of all factors of the number 642,948 excluding 642,948?

 A: 872,412

Why is 872,412 the sum of all factors of 642,948, excluding 642,948?

The factors of the number 642,948 are: 1, 2, 3, 4, 6, 12, 131, 262, 393, 409, 524, 786, 818, 1227, 1572, 1636, 2454, 4908, 53579, 107158, 160737, 214316, 321474, 642948.

If you add them up, you will get the total of 643,820. Now subtract 642,948 to get 872,412


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