Add them up. The factors of 9 are 1, 3 and 9. The sum of the factors is 13.
The prime factors of 28 are 2 and 7. Their sum is 9.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7
the answer is -9....
2 and 15 5 and 12
154 is the sum of the proper factors of 256.
The prime factors of 28 are 2 and 7. Their sum is 9.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7
5 and 3.
6 and 4
The prime factors of 30 are: 2 + 3 + 5 = 10
60
The sum of the factors of 10,752 is 32,736.
2 and 15 5 and 12
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the answer is -9....
23 * 16 = 368
The sum of the positive factors of 504 is: 1,560