65919485

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{4129}}^1$

素因数の和:4268

約数の個数: 16

約数和(自身を含む): 82467840

約数和(自身を除く): 16548355

約数列:

[1, 5, 31, 103, 155, 515, 3193, 4129, 15965, 20645, 127999, 425287, 639995, 2126435, 13183897, 65919485]

約数ペア:

[(1, 65919485), (5, 13183897), (31, 2126435), (103, 639995), (155, 425287), (515, 127999), (3193, 20645), (4129, 15965)]