Q: What is the sum of all factors of the number 128,438 excluding 128,438?

 A: 65,962

Why is 65,962 the sum of all factors of 128,438, excluding 128,438?

The factors of the number 128,438 are: 1, 2, 149, 298, 431, 862, 64219, 128438.

If you add them up, you will get the total of 128,503. Now subtract 128,438 to get 65,962


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