648740804912

素因数分解:

$2^4\times {\mathrm{21701}}^1\times {\mathrm{1868407}}^1$

素因数の和:1890116

約数の個数: 20

約数和(自身を含む): 1256993902896

約数和(自身を除く): 608253097984

約数列:

[1, 2, 4, 8, 16, 21701, 43402, 86804, 173608, 347216, 1868407, 3736814, 7473628, 14947256, 29894512, 40546300307, 81092600614, 162185201228, 324370402456, 648740804912]

約数ペア:

[(1, 648740804912), (2, 324370402456), (4, 162185201228), (8, 81092600614), (16, 40546300307), (21701, 29894512), (43402, 14947256), (86804, 7473628), (173608, 3736814), (347216, 1868407)]