644434051802

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{4441}}^1\times {\mathrm{1687327}}^1$

素因数の和:1691813

約数の個数: 16

約数和(自身を含む): 989354648832

約数和(自身を除く): 344920597030

約数列:

[1, 2, 43, 86, 4441, 8882, 190963, 381926, 1687327, 3374654, 72555061, 145110122, 7493419207, 14986838414, 322217025901, 644434051802]

約数ペア:

[(1, 644434051802), (2, 322217025901), (43, 14986838414), (86, 7493419207), (4441, 145110122), (8882, 72555061), (190963, 3374654), (381926, 1687327)]