2056405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 2815344

約数和(自身を除く): 758939

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1861, 9305, 24193, 31637, 120965, 158185, 411281, 2056405]

約数ペア:

[(1, 2056405), (5, 411281), (13, 158185), (17, 120965), (65, 31637), (85, 24193), (221, 9305), (1105, 1861)]