66918965

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 82473600

約数和(自身を除く): 15554635

約数列:

[1, 5, 43, 215, 439, 709, 2195, 3545, 18877, 30487, 94385, 152435, 311251, 1556255, 13383793, 66918965]

約数ペア:

[(1, 66918965), (5, 13383793), (43, 1556255), (215, 311251), (439, 152435), (709, 94385), (2195, 30487), (3545, 18877)]