Q: What is the sum of all factors of the number 1,998,156 excluding 1,998,156?

Why is 2,730,148 the sum of all factors of 1,998,156, excluding 1,998,156?

The factors of the number 1,998,156 are: 1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 2281, 4562, 6843, 9124, 13686, 27372, 166513, 333026, 499539, 666052, 999078, 1998156.

If you add them up, you will get the total of 1,998,158. Now subtract 1,998,156 to get 2,730,148

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