2051219405

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{21187}}^1$

素因数の和:21293

約数の個数: 24

約数和(自身を含む): 2653924128

約数和(自身を除く): 602704723

約数列:

[1, 5, 17, 67, 85, 289, 335, 1139, 1445, 5695, 19363, 21187, 96815, 105935, 360179, 1419529, 1800895, 6123043, 7097645, 24131993, 30615215, 120659965, 410243881, 2051219405]

約数ペア:

[(1, 2051219405), (5, 410243881), (17, 120659965), (67, 30615215), (85, 24131993), (289, 7097645), (335, 6123043), (1139, 1800895), (1445, 1419529), (5695, 360179), (19363, 105935), (21187, 96815)]