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A033635
Square-root-perfect numbers: srsigma(n)=m*n^(1/2) for some integer m.
+0
2
4, 64, 48400, 37822470400, 6935904849126400, 11883371958374400, 62796991981158400, 87762493613171048488960000, 874812594495483490385610887270400000000000000
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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