388972009

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{7793}}^1$

素因数の和:7920

約数の個数: 16

約数和(自身を含む): 426487680

約数和(自身を除く): 37515671

約数列:

[1, 19, 37, 71, 703, 1349, 2627, 7793, 49913, 148067, 288341, 553303, 5478479, 10512757, 20472211, 388972009]

約数ペア:

[(1, 388972009), (19, 20472211), (37, 10512757), (71, 5478479), (703, 553303), (1349, 288341), (2627, 148067), (7793, 49913)]