23913951

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 15484449

約数列:

[1, 3, 17, 19, 23, 29, 37, 51, 57, 69, 87, 111, 323, 391, 437, 493, 551, 629, 667, 703, 851, 969, 1073, 1173, 1311, 1479, 1653, 1887, 2001, 2109, 2553, 3219, 7429, 9367, 11339, 11951, 12673, 14467, 16169, 18241, 20387, 22287, 24679, 28101, 34017, 35853, 38019, 43401, 48507, 54723, 61161, 74037, 215441, 274873, 346579, 419543, 468901, 646323, 824619, 1039737, 1258629, 1406703, 7971317, 23913951]

約数ペア:

[(1, 23913951), (3, 7971317), (17, 1406703), (19, 1258629), (23, 1039737), (29, 824619), (37, 646323), (51, 468901), (57, 419543), (69, 346579), (87, 274873), (111, 215441), (323, 74037), (391, 61161), (437, 54723), (493, 48507), (551, 43401), (629, 38019), (667, 35853), (703, 34017), (851, 28101), (969, 24679), (1073, 22287), (1173, 20387), (1311, 18241), (1479, 16169), (1653, 14467), (1887, 12673), (2001, 11951), (2109, 11339), (2553, 9367), (3219, 7429)]