Is 678 an abundant number and what is its abundance?

Is 678 an abundant number?

Here we will explain and calculate if 678 is an abundant number and its abundance if applicable.

678 is an abundant number if the sum of its proper divisors is greater than 678.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 113 + 226 + 339 = 690.

690 is greater than 678. Therefore, 678 is an abundant number.

The abundance of 678 is the sum of its proper divisors minus 678. Thus, the abundance of 678 is 690 - 678 = 12

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