Respuesta :
Answer:The sum-of-divisors function σ is multiplicative, with σ(pm)=1+p+…+pm for a prime p. In particular, σ(2m) is always odd, while for an odd prime .
Step-by-step explanation:
Answer:The sum-of-divisors function σ is multiplicative, with σ(pm)=1+p+…+pm for a prime p. In particular, σ(2m) is always odd, while for an odd prime .
Step-by-step explanation: