67971211

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12433}}^1$

素因数の和:12522

約数の個数: 16

約数和(自身を含む): 85943808

約数和(自身を除く): 17972597

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 12433, 87031, 136763, 882743, 957341, 6179201, 9710173, 67971211]

約数ペア:

[(1, 67971211), (7, 9710173), (11, 6179201), (71, 957341), (77, 882743), (497, 136763), (781, 87031), (5467, 12433)]