71809549

素因数分解:

$7^2\times {\mathrm{59}}^2\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 18

約数和(自身を含む): 85175214

約数和(自身を除く): 13365665

約数列:

[1, 7, 49, 59, 413, 421, 2891, 2947, 3481, 20629, 24367, 24839, 170569, 173873, 1217111, 1465501, 10258507, 71809549]

約数ペア:

[(1, 71809549), (7, 10258507), (49, 1465501), (59, 1217111), (413, 173873), (421, 170569), (2891, 24839), (2947, 24367), (3481, 20629)]