142978381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3187}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 192810240

約数和(自身を除く): 49831859

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 493, 1547, 2639, 3187, 3451, 6409, 22309, 41431, 44863, 54179, 92423, 290017, 379253, 646961, 704327, 1201499, 1571191, 4930289, 8410493, 10998337, 20425483, 142978381]

約数ペア:

[(1, 142978381), (7, 20425483), (13, 10998337), (17, 8410493), (29, 4930289), (91, 1571191), (119, 1201499), (203, 704327), (221, 646961), (377, 379253), (493, 290017), (1547, 92423), (2639, 54179), (3187, 44863), (3451, 41431), (6409, 22309)]