23857405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 34247808

約数和(自身を除く): 10390403

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 547, 671, 715, 793, 2735, 3355, 3965, 6017, 7111, 8723, 30085, 33367, 35555, 43615, 78221, 166835, 367037, 391105, 433771, 1835185, 2168855, 4771481, 23857405]

約数ペア:

[(1, 23857405), (5, 4771481), (11, 2168855), (13, 1835185), (55, 433771), (61, 391105), (65, 367037), (143, 166835), (305, 78221), (547, 43615), (671, 35555), (715, 33367), (793, 30085), (2735, 8723), (3355, 7111), (3965, 6017)]