66498100775

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{2767871}}^1$

素因数の和:2767943

約数の個数: 18

約数和(自身を含む): 85203403776

約数和(自身を除く): 18705303001

約数列:

[1, 5, 25, 31, 155, 775, 961, 4805, 24025, 2767871, 13839355, 69196775, 85804001, 429020005, 2145100025, 2659924031, 13299620155, 66498100775]

約数ペア:

[(1, 66498100775), (5, 13299620155), (25, 2659924031), (31, 2145100025), (155, 429020005), (775, 85804001), (961, 69196775), (4805, 13839355), (24025, 2767871)]