389952472

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 956067840

約数和(自身を除く): 566115368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 37, 52, 56, 62, 74, 91, 104, 124, 148, 182, 217, 248, 259, 296, 364, 403, 434, 467, 481, 518, 728, 806, 868, 934, 962, 1036, 1147, 1612, 1736, 1868, 1924, 2072, 2294, 2821, 3224, 3269, 3367, 3736, 3848, 4588, 5642, 6071, 6538, 6734, 8029, 9176, 11284, 12142, 13076, 13468, 14477, 14911, 16058, 17279, 22568, 24284, 26152, 26936, 28954, 29822, 32116, 34558, 42497, 48568, 57908, 59644, 64232, 69116, 84994, 101339, 104377, 115816, 119288, 120953, 138232, 169988, 188201, 202678, 208754, 224627, 241906, 339976, 376402, 405356, 417508, 449254, 483812, 535649, 752804, 810712, 835016, 898508, 967624, 1071298, 1317407, 1505608, 1572389, 1797016, 2142596, 2634814, 3144778, 3749543, 4285192, 5269628, 6289556, 6963437, 7499086, 10539256, 12579112, 13926874, 14998172, 27853748, 29996344, 48744059, 55707496, 97488118, 194976236, 389952472]

約数ペア:

[(1, 389952472), (2, 194976236), (4, 97488118), (7, 55707496), (8, 48744059), (13, 29996344), (14, 27853748), (26, 14998172), (28, 13926874), (31, 12579112), (37, 10539256), (52, 7499086), (56, 6963437), (62, 6289556), (74, 5269628), (91, 4285192), (104, 3749543), (124, 3144778), (148, 2634814), (182, 2142596), (217, 1797016), (248, 1572389), (259, 1505608), (296, 1317407), (364, 1071298), (403, 967624), (434, 898508), (467, 835016), (481, 810712), (518, 752804), (728, 535649), (806, 483812), (868, 449254), (934, 417508), (962, 405356), (1036, 376402), (1147, 339976), (1612, 241906), (1736, 224627), (1868, 208754), (1924, 202678), (2072, 188201), (2294, 169988), (2821, 138232), (3224, 120953), (3269, 119288), (3367, 115816), (3736, 104377), (3848, 101339), (4588, 84994), (5642, 69116), (6071, 64232), (6538, 59644), (6734, 57908), (8029, 48568), (9176, 42497), (11284, 34558), (12142, 32116), (13076, 29822), (13468, 28954), (14477, 26936), (14911, 26152), (16058, 24284), (17279, 22568)]