20161220783

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{315517}}^1$

素因数の和:315722

約数の個数: 16

約数和(自身を含む): 22732440864

約数和(自身を除く): 2571220081

約数列:

[1, 11, 37, 157, 407, 1727, 5809, 63899, 315517, 3470687, 11674129, 49536169, 128415419, 544897859, 1832838253, 20161220783]

約数ペア:

[(1, 20161220783), (11, 1832838253), (37, 544897859), (157, 128415419), (407, 49536169), (1727, 11674129), (5809, 3470687), (63899, 315517)]