Prove that σ(n)≡d(m) (mod 2) where m is the largest odd factor of n.

need elaborate and quick reply please.

- Oct 1st 2013, 08:54 AMvirebbala90Prove that σ(n)≡d(m) (mod 2) where m is the largest odd factor of n.
Prove that σ(n)≡d(m) (mod 2) where m is the largest odd factor of n.

need elaborate and quick reply please.