58 has 4 divisors: 1 2 29 58.
Because it is divisible by a number other than 1 and itself. To be a prime number 58 would have to have no other divisors other than 1 and 58, which in this case is not true. 58 is divisible by 2 and 29 also, which makes it composite.
These are all the divisors of 232: 1, 2, 4, 8, 29, 58, 116, 232
1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
812 is not divisible by 9. The divisors of 812 are 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, and 812.
Divisors are used to divide numbers.
2,4,8 (1 and 16 are divisors too, but the number and 1 are always divisors)
136 has eight divisors.
The divisors of 41231 are: 1, 41231.
12 has six divisors.
The divisors of 61 are: 1, 61
320 has 14 divisors.