389620621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{1307}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 438609024

約数和(自身を除く): 48988403

約数列:

[1, 13, 23, 299, 997, 1307, 12961, 16991, 22931, 30061, 298103, 390793, 1303079, 16940027, 29970817, 389620621]

約数ペア:

[(1, 389620621), (13, 29970817), (23, 16940027), (299, 1303079), (997, 390793), (1307, 298103), (12961, 30061), (16991, 22931)]