■142857(その47)

 8倍自己再現数の末尾は2だけである.

===================================

  8(02)^2=32

  8(12)^2=1152

  8(22)^2=3872

  8(32)^2=8192

  8(42)^2=14113

  8(52)^2=31632

  8(62)^2=30752

  8(72)^2=41472・・・8倍保型数

  8(82)^2=53792

  8(92)^2=67712

  8(072)^2=41472

  8(172)^2=236672

  8(272)^2=591872

  8(372)^2=1107072

  8(472)^2=1782272

  8(572)^2=2617472

  8(672)^2=3612672・・・8倍保型数

  8(772)^2=4767872

  8(872)^2=6083072

  8(972)^2=7558272

  8(0672)^2=3612672

  8(1672)^2=22364672

  8(2672)^2=57116672

  8(3672)^2=107868672

  8(4672)^2=174620672

  8(5672)^2=257272672

  8(6672)^2=356124672

  8(7672)^2=470876672

  8(8672)^2=601628672・・・8倍保型数

  8(9672)^2=748380672

===================================