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Multiplicative Perfect Number

A number $n$ for which the Product of Divisors is equal to $n^2$. The first few are 1, 6, 8, 10, 14, 15, 21, 22, ... (Sloane's A007422).

See also Perfect Number


Sloane, N. J. A. Sequence A007422/M4068 in ``An On-Line Version of the Encyclopedia of Integer Sequences.'' and Sloane, N. J. A. and Plouffe, S. The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.

© 1996-9 Eric W. Weisstein