12461561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 16381440

約数和(自身を除く): 3919879

約数列:

[1, 7, 17, 23, 29, 119, 157, 161, 203, 391, 493, 667, 1099, 2669, 2737, 3451, 3611, 4553, 4669, 11339, 18683, 25277, 31871, 61387, 77401, 79373, 104719, 429709, 541807, 733033, 1780223, 12461561]

約数ペア:

[(1, 12461561), (7, 1780223), (17, 733033), (23, 541807), (29, 429709), (119, 104719), (157, 79373), (161, 77401), (203, 61387), (391, 31871), (493, 25277), (667, 18683), (1099, 11339), (2669, 4669), (2737, 4553), (3451, 3611)]