256857702911

素因数分解:

${\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{386993}}^1$

素因数の和:387386

約数の個数: 16

約数和(自身を含む): 273279683040

約数和(自身を除く): 16421980129

約数列:

[1, 19, 181, 193, 3439, 3667, 34933, 386993, 663727, 7352867, 70045733, 74689649, 1330868927, 1419103331, 13518826469, 256857702911]

約数ペア:

[(1, 256857702911), (19, 13518826469), (181, 1419103331), (193, 1330868927), (3439, 74689649), (3667, 70045733), (34933, 7352867), (386993, 663727)]