An integer which is a product of distinct primes and which satisfies
(Butske et al. 1999). The first few are 2, 6, 42, 1806, 47058, ... (OEIS A054377).
The similar equation
arises in the definition of Giuga numbers.
An integer which is a product of distinct primes and which satisfies
(Butske et al. 1999). The first few are 2, 6, 42, 1806, 47058, ... (OEIS A054377).
The similar equation
arises in the definition of Giuga numbers.
Weisstein, Eric W. "Primary Pseudoperfect Number." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PrimaryPseudoperfectNumber.html