66328525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 87048000

約数和(自身を除く): 20719475

約数列:

[1, 5, 19, 25, 95, 311, 449, 475, 1555, 2245, 5909, 7775, 8531, 11225, 29545, 42655, 139639, 147725, 213275, 698195, 2653141, 3490975, 13265705, 66328525]

約数ペア:

[(1, 66328525), (5, 13265705), (19, 3490975), (25, 2653141), (95, 698195), (311, 213275), (449, 147725), (475, 139639), (1555, 42655), (2245, 29545), (5909, 11225), (7775, 8531)]