28719222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 76723200

約数和(自身を除く): 48003978

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 29, 34, 38, 42, 51, 57, 58, 73, 87, 102, 114, 119, 133, 146, 174, 203, 219, 238, 266, 323, 357, 399, 406, 438, 493, 511, 551, 609, 646, 714, 798, 969, 986, 1022, 1102, 1218, 1241, 1387, 1479, 1533, 1653, 1938, 2117, 2261, 2482, 2774, 2958, 3066, 3306, 3451, 3723, 3857, 4161, 4234, 4522, 6351, 6783, 6902, 7446, 7714, 8322, 8687, 9367, 9709, 10353, 11571, 12702, 13566, 14819, 17374, 18734, 19418, 20706, 23142, 23579, 26061, 28101, 29127, 29638, 35989, 40223, 44457, 47158, 52122, 56202, 58254, 65569, 70737, 71978, 80446, 88914, 107967, 120669, 131138, 141474, 165053, 196707, 215934, 241338, 251923, 281561, 330106, 393414, 495159, 503846, 563122, 683791, 755769, 844683, 990318, 1367582, 1511538, 1689366, 2051373, 4102746, 4786537, 9573074, 14359611, 28719222]

約数ペア:

[(1, 28719222), (2, 14359611), (3, 9573074), (6, 4786537), (7, 4102746), (14, 2051373), (17, 1689366), (19, 1511538), (21, 1367582), (29, 990318), (34, 844683), (38, 755769), (42, 683791), (51, 563122), (57, 503846), (58, 495159), (73, 393414), (87, 330106), (102, 281561), (114, 251923), (119, 241338), (133, 215934), (146, 196707), (174, 165053), (203, 141474), (219, 131138), (238, 120669), (266, 107967), (323, 88914), (357, 80446), (399, 71978), (406, 70737), (438, 65569), (493, 58254), (511, 56202), (551, 52122), (609, 47158), (646, 44457), (714, 40223), (798, 35989), (969, 29638), (986, 29127), (1022, 28101), (1102, 26061), (1218, 23579), (1241, 23142), (1387, 20706), (1479, 19418), (1533, 18734), (1653, 17374), (1938, 14819), (2117, 13566), (2261, 12702), (2482, 11571), (2774, 10353), (2958, 9709), (3066, 9367), (3306, 8687), (3451, 8322), (3723, 7714), (3857, 7446), (4161, 6902), (4234, 6783), (4522, 6351)]