If p is a prime number and k ≥ 1 th

If p is a prime number and k ≥ 1 than its only divisors are 1
and p. So, σ(p) = p + 1 and

ผลลัพธ์ (แอฟริกา) 1:

As p 'n priemgetal is en k ≥ 1 as sy enigste delers is 1
en p. So, σ (p) = p + 1 en