12667655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 20418048

約数和(自身を除く): 7750393

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 2531, 5005, 12655, 17717, 27841, 32903, 88585, 139205, 164515, 194887, 230321, 361933, 974435, 1151605, 1809665, 2533531, 12667655]

約数ペア:

[(1, 12667655), (5, 2533531), (7, 1809665), (11, 1151605), (13, 974435), (35, 361933), (55, 230321), (65, 194887), (77, 164515), (91, 139205), (143, 88585), (385, 32903), (455, 27841), (715, 17717), (1001, 12655), (2531, 5005)]