647976

素因数分解:

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

素因数の和:71

約数の個数: 96

約数和(自身を含む): 2052000

約数和(自身を除く): 1404024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 29, 38, 42, 49, 56, 57, 58, 76, 84, 87, 98, 114, 116, 133, 147, 152, 168, 174, 196, 203, 228, 232, 266, 294, 348, 392, 399, 406, 456, 532, 551, 588, 609, 696, 798, 812, 931, 1064, 1102, 1176, 1218, 1421, 1596, 1624, 1653, 1862, 2204, 2436, 2793, 2842, 3192, 3306, 3724, 3857, 4263, 4408, 4872, 5586, 5684, 6612, 7448, 7714, 8526, 11172, 11368, 11571, 13224, 15428, 17052, 22344, 23142, 26999, 30856, 34104, 46284, 53998, 80997, 92568, 107996, 161994, 215992, 323988, 647976]

約数ペア:

[(1, 647976), (2, 323988), (3, 215992), (4, 161994), (6, 107996), (7, 92568), (8, 80997), (12, 53998), (14, 46284), (19, 34104), (21, 30856), (24, 26999), (28, 23142), (29, 22344), (38, 17052), (42, 15428), (49, 13224), (56, 11571), (57, 11368), (58, 11172), (76, 8526), (84, 7714), (87, 7448), (98, 6612), (114, 5684), (116, 5586), (133, 4872), (147, 4408), (152, 4263), (168, 3857), (174, 3724), (196, 3306), (203, 3192), (228, 2842), (232, 2793), (266, 2436), (294, 2204), (348, 1862), (392, 1653), (399, 1624), (406, 1596), (456, 1421), (532, 1218), (551, 1176), (588, 1102), (609, 1064), (696, 931), (798, 812)]