12118561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 16163840

約数和(自身を除く): 4045279

約数列:

[1, 7, 13, 19, 43, 91, 133, 163, 247, 301, 559, 817, 1141, 1729, 2119, 3097, 3913, 5719, 7009, 10621, 14833, 21679, 40261, 49063, 74347, 91117, 133171, 281827, 637819, 932197, 1731223, 12118561]

約数ペア:

[(1, 12118561), (7, 1731223), (13, 932197), (19, 637819), (43, 281827), (91, 133171), (133, 91117), (163, 74347), (247, 49063), (301, 40261), (559, 21679), (817, 14833), (1141, 10621), (1729, 7009), (2119, 5719), (3097, 3913)]