Sum of divisors = 91.
Sum of divisors: 1,392.
Sum of divisors: 980.
Sum of divisors: 1728.
Sum of divisors of 130 = 252.
Sum of 24's divisors: 60.
The divisors of 150 are: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150.
A perfect number equals the sum of its proper divisors. A deficient number is greater than the sum of its proper divisors. An abundant number is less than the sum of its proper divisors. Proper divisors of a number do not include the number itself.
The sum is 195.
1, 2, 3, 4, 6, 8, 12, 24 (sum = 60)
its 217
60