140978644208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{518303839}}^1$

素因数の和:518303864

約数の個数: 20

約数和(自身を含む): 289213542720

約数和(自身を除く): 148234898512

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 518303839, 1036607678, 2073215356, 4146430712, 8292861424, 8811165263, 17622330526, 35244661052, 70489322104, 140978644208]

約数ペア:

[(1, 140978644208), (2, 70489322104), (4, 35244661052), (8, 17622330526), (16, 8811165263), (17, 8292861424), (34, 4146430712), (68, 2073215356), (136, 1036607678), (272, 518303839)]