171640090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{399163}}^1$

素因数の和:399213

約数の個数: 16

約数和(自身を含む): 316137888

約数和(自身を除く): 144497798

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 399163, 798326, 1995815, 3991630, 17164009, 34328018, 85820045, 171640090]

約数ペア:

[(1, 171640090), (2, 85820045), (5, 34328018), (10, 17164009), (43, 3991630), (86, 1995815), (215, 798326), (430, 399163)]