258190475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19597}}^1$

素因数の和:19655

約数の個数: 24

約数和(自身を含む): 349941888

約数和(自身を除く): 91751413

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 19597, 97985, 333149, 489925, 607507, 1665745, 3037535, 8328725, 10327619, 15187675, 51638095, 258190475]

約数ペア:

[(1, 258190475), (5, 51638095), (17, 15187675), (25, 10327619), (31, 8328725), (85, 3037535), (155, 1665745), (425, 607507), (527, 489925), (775, 333149), (2635, 97985), (13175, 19597)]