399250488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5897}}^1$

素因数の和:5957

約数の個数: 128

約数和(自身を含む): 1268305920

約数和(自身を除く): 869055432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 364, 372, 403, 434, 546, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1612, 1736, 2184, 2418, 2604, 2821, 3224, 4836, 5208, 5642, 5897, 8463, 9672, 11284, 11794, 16926, 17691, 22568, 23588, 33852, 35382, 41279, 47176, 67704, 70764, 76661, 82558, 123837, 141528, 153322, 165116, 182807, 229983, 247674, 306644, 330232, 365614, 459966, 495348, 536627, 548421, 613288, 731228, 919932, 990696, 1073254, 1096842, 1279649, 1462456, 1609881, 1839864, 2146508, 2193684, 2376491, 2559298, 3219762, 3838947, 4293016, 4387368, 4752982, 5118596, 6439524, 7129473, 7677894, 9505964, 10237192, 12879048, 14258946, 15355788, 16635437, 19011928, 28517892, 30711576, 33270874, 49906311, 57035784, 66541748, 99812622, 133083496, 199625244, 399250488]

約数ペア:

[(1, 399250488), (2, 199625244), (3, 133083496), (4, 99812622), (6, 66541748), (7, 57035784), (8, 49906311), (12, 33270874), (13, 30711576), (14, 28517892), (21, 19011928), (24, 16635437), (26, 15355788), (28, 14258946), (31, 12879048), (39, 10237192), (42, 9505964), (52, 7677894), (56, 7129473), (62, 6439524), (78, 5118596), (84, 4752982), (91, 4387368), (93, 4293016), (104, 3838947), (124, 3219762), (156, 2559298), (168, 2376491), (182, 2193684), (186, 2146508), (217, 1839864), (248, 1609881), (273, 1462456), (312, 1279649), (364, 1096842), (372, 1073254), (403, 990696), (434, 919932), (546, 731228), (651, 613288), (728, 548421), (744, 536627), (806, 495348), (868, 459966), (1092, 365614), (1209, 330232), (1302, 306644), (1612, 247674), (1736, 229983), (2184, 182807), (2418, 165116), (2604, 153322), (2821, 141528), (3224, 123837), (4836, 82558), (5208, 76661), (5642, 70764), (5897, 67704), (8463, 47176), (9672, 41279), (11284, 35382), (11794, 33852), (16926, 23588), (17691, 22568)]