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A067341
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Number of prime factors divided by the number of distinct prime factors is an integer and n is neither squarefree, nor power of prime.
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1
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24, 36, 40, 54, 56, 88, 96, 100, 104, 135, 136, 144, 152, 160, 184, 189, 196, 216, 224, 225, 232, 240, 248, 250, 296, 297, 324, 328, 336, 344, 351, 352, 360, 375, 376, 384, 400, 416, 424, 441, 459, 472, 484, 486, 488, 504, 513, 528, 536, 540, 544, 560, 568
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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ff[x_] := Flatten[FactorInteger[x]] f1[x_] := Length[FactorInteger[x]] f2[x_] := Apply[Plus, Table[Part[ff[x], 2*w], {w, 1, f1[x]}]] Do[s=f2[n]/f1[n]; If[IntegerQ[s]&&Greater[s, 1]&&Greater[f1[n], 1], Print[n]], {n, 2, 10000}]
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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