389719105

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 490520448

約数和(自身を除く): 100801343

約数列:

[1, 5, 43, 101, 131, 137, 215, 505, 655, 685, 4343, 5633, 5891, 13231, 13837, 17947, 21715, 28165, 29455, 66155, 69185, 89735, 568933, 594991, 771721, 1812647, 2844665, 2974955, 3858605, 9063235, 77943821, 389719105]

約数ペア:

[(1, 389719105), (5, 77943821), (43, 9063235), (101, 3858605), (131, 2974955), (137, 2844665), (215, 1812647), (505, 771721), (655, 594991), (685, 568933), (4343, 89735), (5633, 69185), (5891, 66155), (13231, 29455), (13837, 28165), (17947, 21715)]