Q: What is the sum of all factors of the number 1,257,724 including 1,257,724?

Why is 2,538,984 the sum of all factors of 1,257,724, including 1,257,724?

The factors of the number 1,257,724 are: 1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 247, 268, 361, 494, 722, 871, 988, 1273, 1444, 1742, 2546, 3484, 4693, 5092, 9386, 16549, 18772, 24187, 33098, 48374, 66196, 96748, 314431, 628862, 1257724.

If you add them up, you will get the total of 2,538,984.

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