490667989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{99709}}^1$

素因数の和:99772

約数の個数: 16

約数和(自身を含む): 606236800

約数和(自身を除く): 115568811

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 99709, 697963, 1894471, 3689233, 13261297, 25824631, 70095427, 490667989]

約数ペア:

[(1, 490667989), (7, 70095427), (19, 25824631), (37, 13261297), (133, 3689233), (259, 1894471), (703, 697963), (4921, 99709)]