668855768

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2963}}^1$

素因数の和:3144

約数の個数: 64

約数和(自身を含む): 1493856000

約数和(自身を除く): 825000232

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 139, 203, 232, 278, 406, 556, 812, 973, 1112, 1624, 1946, 2963, 3892, 4031, 5926, 7784, 8062, 11852, 16124, 20741, 23704, 28217, 32248, 41482, 56434, 82964, 85927, 112868, 165928, 171854, 225736, 343708, 411857, 601489, 687416, 823714, 1202978, 1647428, 2405956, 2882999, 3294856, 4811912, 5765998, 11531996, 11943853, 23063992, 23887706, 47775412, 83606971, 95550824, 167213942, 334427884, 668855768]

約数ペア:

[(1, 668855768), (2, 334427884), (4, 167213942), (7, 95550824), (8, 83606971), (14, 47775412), (28, 23887706), (29, 23063992), (56, 11943853), (58, 11531996), (116, 5765998), (139, 4811912), (203, 3294856), (232, 2882999), (278, 2405956), (406, 1647428), (556, 1202978), (812, 823714), (973, 687416), (1112, 601489), (1624, 411857), (1946, 343708), (2963, 225736), (3892, 171854), (4031, 165928), (5926, 112868), (7784, 85927), (8062, 82964), (11852, 56434), (16124, 41482), (20741, 32248), (23704, 28217)]