399248752

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1949}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 928512000

約数和(自身を除く): 529263248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 59, 62, 112, 118, 124, 217, 236, 248, 413, 434, 472, 496, 826, 868, 944, 1652, 1736, 1829, 1949, 3304, 3472, 3658, 3898, 6608, 7316, 7796, 12803, 13643, 14632, 15592, 25606, 27286, 29264, 31184, 51212, 54572, 60419, 102424, 109144, 114991, 120838, 204848, 218288, 229982, 241676, 422933, 459964, 483352, 804937, 845866, 919928, 966704, 1609874, 1691732, 1839856, 3219748, 3383464, 3564721, 6439496, 6766928, 7129442, 12878992, 14258884, 24953047, 28517768, 49906094, 57035536, 99812188, 199624376, 399248752]

約数ペア:

[(1, 399248752), (2, 199624376), (4, 99812188), (7, 57035536), (8, 49906094), (14, 28517768), (16, 24953047), (28, 14258884), (31, 12878992), (56, 7129442), (59, 6766928), (62, 6439496), (112, 3564721), (118, 3383464), (124, 3219748), (217, 1839856), (236, 1691732), (248, 1609874), (413, 966704), (434, 919928), (472, 845866), (496, 804937), (826, 483352), (868, 459964), (944, 422933), (1652, 241676), (1736, 229982), (1829, 218288), (1949, 204848), (3304, 120838), (3472, 114991), (3658, 109144), (3898, 102424), (6608, 60419), (7316, 54572), (7796, 51212), (12803, 31184), (13643, 29264), (14632, 27286), (15592, 25606)]