389351072

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1151}}^1$

素因数の和:1234

約数の個数: 72

約数和(自身を含む): 864815616

約数和(自身を除く): 475464544

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 961, 992, 1151, 1364, 1922, 2302, 2728, 3844, 4604, 5456, 7688, 9208, 10571, 10912, 12661, 15376, 18416, 21142, 25322, 30752, 35681, 36832, 42284, 50644, 71362, 84568, 101288, 142724, 169136, 202576, 285448, 338272, 392491, 405152, 570896, 784982, 1106111, 1141792, 1569964, 2212222, 3139928, 4424444, 6279856, 8848888, 12167221, 12559712, 17697776, 24334442, 35395552, 48668884, 97337768, 194675536, 389351072]

約数ペア:

[(1, 389351072), (2, 194675536), (4, 97337768), (8, 48668884), (11, 35395552), (16, 24334442), (22, 17697776), (31, 12559712), (32, 12167221), (44, 8848888), (62, 6279856), (88, 4424444), (124, 3139928), (176, 2212222), (248, 1569964), (341, 1141792), (352, 1106111), (496, 784982), (682, 570896), (961, 405152), (992, 392491), (1151, 338272), (1364, 285448), (1922, 202576), (2302, 169136), (2728, 142724), (3844, 101288), (4604, 84568), (5456, 71362), (7688, 50644), (9208, 42284), (10571, 36832), (10912, 35681), (12661, 30752), (15376, 25322), (18416, 21142)]