66157475

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 84185088

約数和(自身を除く): 18027613

約数列:

[1, 5, 25, 67, 127, 311, 335, 635, 1555, 1675, 3175, 7775, 8509, 20837, 39497, 42545, 104185, 197485, 212725, 520925, 987425, 2646299, 13231495, 66157475]

約数ペア:

[(1, 66157475), (5, 13231495), (25, 2646299), (67, 987425), (127, 520925), (311, 212725), (335, 197485), (635, 104185), (1555, 42545), (1675, 39497), (3175, 20837), (7775, 8509)]