74888281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 88573184

約数和(自身を除く): 13684903

約数列:

[1, 13, 17, 31, 221, 289, 403, 527, 643, 3757, 6851, 8359, 8959, 10931, 19933, 116467, 142103, 185827, 259129, 338861, 2415751, 4405193, 5760637, 74888281]

約数ペア:

[(1, 74888281), (13, 5760637), (17, 4405193), (31, 2415751), (221, 338861), (289, 259129), (403, 185827), (527, 142103), (643, 116467), (3757, 19933), (6851, 10931), (8359, 8959)]