164861455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{81013}}^1$

素因数の和:81066

約数の個数: 16

約数和(自身を含む): 221654304

約数和(自身を除く): 56792849

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 81013, 405065, 891143, 2997481, 4455715, 14987405, 32972291, 164861455]

約数ペア:

[(1, 164861455), (5, 32972291), (11, 14987405), (37, 4455715), (55, 2997481), (185, 891143), (407, 405065), (2035, 81013)]