Divisor Count of 2
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Example of Use of Divisor Count Function
- $\map {\sigma_0} 2 = 2$
where $\sigma_0$ denotes the divisor count function.
Proof
We have that $2$ is a prime number.
From Divisor Count Function of Prime Number:
- $\map {\sigma_0} 2 = 2$
$\blacksquare$