205816705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{56311}}^1$

素因数の和:56376

約数の個数: 16

約数和(自身を含む): 267594624

約数和(自身を除く): 61777919

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 56311, 281555, 957287, 2421373, 4786435, 12106865, 41163341, 205816705]

約数ペア:

[(1, 205816705), (5, 41163341), (17, 12106865), (43, 4786435), (85, 2421373), (215, 957287), (731, 281555), (3655, 56311)]