68289221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4013}}^1$

素因数の和:4061

約数の個数: 32

約数和(自身を含む): 97106688

約数和(自身を除く): 28817467

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 4013, 17017, 28091, 44143, 52169, 68221, 309001, 365183, 477547, 573859, 750431, 886873, 4017013, 5253017, 6208111, 9755603, 68289221]

約数ペア:

[(1, 68289221), (7, 9755603), (11, 6208111), (13, 5253017), (17, 4017013), (77, 886873), (91, 750431), (119, 573859), (143, 477547), (187, 365183), (221, 309001), (1001, 68221), (1309, 52169), (1547, 44143), (2431, 28091), (4013, 17017)]