128277436

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2341}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 272796160

約数和(自身を除く): 144518724

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 532, 721, 1442, 1957, 2341, 2884, 3914, 4682, 7828, 9364, 13699, 16387, 27398, 32774, 44479, 54796, 65548, 88958, 177916, 241123, 311353, 482246, 622706, 964492, 1245412, 1687861, 3375722, 4581337, 6751444, 9162674, 18325348, 32069359, 64138718, 128277436]

約数ペア:

[(1, 128277436), (2, 64138718), (4, 32069359), (7, 18325348), (14, 9162674), (19, 6751444), (28, 4581337), (38, 3375722), (76, 1687861), (103, 1245412), (133, 964492), (206, 622706), (266, 482246), (412, 311353), (532, 241123), (721, 177916), (1442, 88958), (1957, 65548), (2341, 54796), (2884, 44479), (3914, 32774), (4682, 27398), (7828, 16387), (9364, 13699)]