2019255721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{158759}}^1$

素因数の和:158868

約数の個数: 16

約数和(自身を含む): 2438553600

約数和(自身を除く): 419297879

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 158759, 1111313, 3651457, 12541961, 25560199, 87793727, 288465103, 2019255721]

約数ペア:

[(1, 2019255721), (7, 288465103), (23, 87793727), (79, 25560199), (161, 12541961), (553, 3651457), (1817, 1111313), (12719, 158759)]