471221907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 761671680

約数和(自身を除く): 290449773

約数列:

[1, 3, 13, 19, 23, 39, 43, 57, 69, 129, 247, 299, 437, 559, 643, 741, 817, 897, 989, 1311, 1677, 1929, 2451, 2967, 5681, 8359, 10621, 12217, 12857, 14789, 17043, 18791, 25077, 27649, 31863, 36651, 38571, 44367, 56373, 82947, 158821, 192257, 244283, 280991, 359437, 476463, 525331, 576771, 635927, 732849, 842973, 1078311, 1575993, 1907781, 3652883, 6829303, 8267051, 10958649, 12082613, 20487909, 24801153, 36247839, 157073969, 471221907]

約数ペア:

[(1, 471221907), (3, 157073969), (13, 36247839), (19, 24801153), (23, 20487909), (39, 12082613), (43, 10958649), (57, 8267051), (69, 6829303), (129, 3652883), (247, 1907781), (299, 1575993), (437, 1078311), (559, 842973), (643, 732849), (741, 635927), (817, 576771), (897, 525331), (989, 476463), (1311, 359437), (1677, 280991), (1929, 244283), (2451, 192257), (2967, 158821), (5681, 82947), (8359, 56373), (10621, 44367), (12217, 38571), (12857, 36651), (14789, 31863), (17043, 27649), (18791, 25077)]