2989038865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{398273}}^1$

素因数の和:398376

約数の個数: 16

約数和(自身を含む): 3823430400

約数和(自身を除く): 834391535

約数列:

[1, 5, 19, 79, 95, 395, 1501, 7505, 398273, 1991365, 7567187, 31463567, 37835935, 157317835, 597807773, 2989038865]

約数ペア:

[(1, 2989038865), (5, 597807773), (19, 157317835), (79, 37835935), (95, 31463567), (395, 7567187), (1501, 1991365), (7505, 398273)]