43 is prime.... therefore 1 and 43
The divisors of 645 are: 1, 3, 5, 15, 43, 129, 215, 645.
1, 2, 43, 86.
The prime factors of 86 are 2 and 43 The divisors of 86 are 1, 2, 43, and 86
43 is prime. It can not be divided by anything other than 1 and 43. These are not regarded as 'proper' divisors because every number is divisible itself and one.
Divisors are used to divide numbers.
2,4,8 (1 and 16 are divisors too, but the number and 1 are always divisors)
Sum of divisors: 1728.
Sum of divisors: 980.
Sum of divisors = 91.
The divisors of 41231 are: 1, 41231.
12 has six divisors.
136 has eight divisors.