Is 826 a deficient number and what is its deficiency?

Is 826 a deficient number?

Here we will explain and calculate if 826 is a deficient number and its deficiency if applicable.

826 is a deficient number if the sum of its proper divisors is less than 826.

The sum of its proper divisors is calculated as follows: 1 + 2 + 7 + 14 + 59 + 118 + 413 = 614.

614 is less than 826. Therefore, 826 is a deficient number.

The deficiency of 826 is 826 minus the sum of its proper divisors. Thus, the deficiency of 826 is 826 - 614 = 212

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