38921216225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{2281}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 50105709696

約数和(自身を除く): 11184493471

約数列:

[1, 5, 25, 61, 67, 167, 305, 335, 835, 1525, 1675, 2281, 4087, 4175, 10187, 11189, 11405, 20435, 50935, 55945, 57025, 102175, 139141, 152827, 254675, 279725, 380927, 682529, 695705, 764135, 1904635, 3412645, 3478525, 3820675, 9322447, 9523175, 17063225, 23236547, 25522109, 46612235, 116182735, 127610545, 233061175, 580913675, 638052725, 1556848649, 7784243245, 38921216225]

約数ペア:

[(1, 38921216225), (5, 7784243245), (25, 1556848649), (61, 638052725), (67, 580913675), (167, 233061175), (305, 127610545), (335, 116182735), (835, 46612235), (1525, 25522109), (1675, 23236547), (2281, 17063225), (4087, 9523175), (4175, 9322447), (10187, 3820675), (11189, 3478525), (11405, 3412645), (20435, 1904635), (50935, 764135), (55945, 695705), (57025, 682529), (102175, 380927), (139141, 279725), (152827, 254675)]