Multiply perfect numbers k for which the quotient sigma_7(k)/k = A013955(k)/k is nonintegral.

A088846

Multiply perfect numbers k for which the quotient sigma_7(k)/k = A013955(k)/k is nonintegral.

Terms

    a(0) =8128a(1) =1476304896a(2) =66433720320a(3) =403031236608

External references