212214145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 323602560

約数和(自身を除く): 111388415

約数列:

[1, 5, 11, 13, 17, 55, 65, 79, 85, 143, 169, 187, 221, 289, 395, 715, 845, 869, 935, 1027, 1105, 1343, 1445, 1859, 2431, 2873, 3179, 3757, 4345, 5135, 6715, 9295, 11297, 12155, 13351, 14365, 14773, 15895, 17459, 18785, 22831, 31603, 41327, 48841, 56485, 66755, 73865, 87295, 114155, 146861, 158015, 192049, 206635, 226967, 244205, 251141, 296803, 537251, 734305, 960245, 1134835, 1255705, 1484015, 2496637, 2686255, 3264833, 3858439, 12483185, 16324165, 19292195, 42442829, 212214145]

約数ペア:

[(1, 212214145), (5, 42442829), (11, 19292195), (13, 16324165), (17, 12483185), (55, 3858439), (65, 3264833), (79, 2686255), (85, 2496637), (143, 1484015), (169, 1255705), (187, 1134835), (221, 960245), (289, 734305), (395, 537251), (715, 296803), (845, 251141), (869, 244205), (935, 226967), (1027, 206635), (1105, 192049), (1343, 158015), (1445, 146861), (1859, 114155), (2431, 87295), (2873, 73865), (3179, 66755), (3757, 56485), (4345, 48841), (5135, 41327), (6715, 31603), (9295, 22831), (11297, 18785), (12155, 17459), (13351, 15895), (14365, 14773)]