220388221

素因数分解:

${\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{7127}}^1$

素因数の和:7268

約数の個数: 12

約数和(自身を含む): 236335968

約数和(自身を除く): 15947747

約数列:

[1, 17, 107, 289, 1819, 7127, 30923, 121159, 762589, 2059703, 12964013, 220388221]

約数ペア:

[(1, 220388221), (17, 12964013), (107, 2059703), (289, 762589), (1819, 121159), (7127, 30923)]