1649204864

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{6991}}^1$

素因数の和:7121

約数の個数: 64

約数和(自身を含む): 3494601600

約数和(自身を除く): 1845396736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 128, 152, 194, 304, 388, 608, 776, 1216, 1552, 1843, 2432, 3104, 3686, 6208, 6991, 7372, 12416, 13982, 14744, 27964, 29488, 55928, 58976, 111856, 117952, 132829, 223712, 235904, 265658, 447424, 531316, 678127, 894848, 1062632, 1356254, 2125264, 2712508, 4250528, 5425016, 8501056, 10850032, 12884413, 17002112, 21700064, 25768826, 43400128, 51537652, 86800256, 103075304, 206150608, 412301216, 824602432, 1649204864]

約数ペア:

[(1, 1649204864), (2, 824602432), (4, 412301216), (8, 206150608), (16, 103075304), (19, 86800256), (32, 51537652), (38, 43400128), (64, 25768826), (76, 21700064), (97, 17002112), (128, 12884413), (152, 10850032), (194, 8501056), (304, 5425016), (388, 4250528), (608, 2712508), (776, 2125264), (1216, 1356254), (1552, 1062632), (1843, 894848), (2432, 678127), (3104, 531316), (3686, 447424), (6208, 265658), (6991, 235904), (7372, 223712), (12416, 132829), (13982, 117952), (14744, 111856), (27964, 58976), (29488, 55928)]