249538784

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 108

約数和(自身を含む): 576207072

約数和(自身を除く): 326668288

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 121, 136, 176, 187, 223, 242, 272, 289, 352, 374, 446, 484, 544, 578, 748, 892, 968, 1156, 1496, 1784, 1936, 2057, 2312, 2453, 2992, 3179, 3568, 3791, 3872, 4114, 4624, 4906, 5984, 6358, 7136, 7582, 8228, 9248, 9812, 12716, 15164, 16456, 19624, 25432, 26983, 30328, 32912, 34969, 39248, 41701, 50864, 53966, 60656, 64447, 65824, 69938, 78496, 83402, 101728, 107932, 121312, 128894, 139876, 166804, 215864, 257788, 279752, 333608, 431728, 458711, 515576, 559504, 667216, 708917, 863456, 917422, 1031152, 1119008, 1334432, 1417834, 1834844, 2062304, 2835668, 3669688, 5671336, 7339376, 7798087, 11342672, 14678752, 15596174, 22685344, 31192348, 62384696, 124769392, 249538784]

約数ペア:

[(1, 249538784), (2, 124769392), (4, 62384696), (8, 31192348), (11, 22685344), (16, 15596174), (17, 14678752), (22, 11342672), (32, 7798087), (34, 7339376), (44, 5671336), (68, 3669688), (88, 2835668), (121, 2062304), (136, 1834844), (176, 1417834), (187, 1334432), (223, 1119008), (242, 1031152), (272, 917422), (289, 863456), (352, 708917), (374, 667216), (446, 559504), (484, 515576), (544, 458711), (578, 431728), (748, 333608), (892, 279752), (968, 257788), (1156, 215864), (1496, 166804), (1784, 139876), (1936, 128894), (2057, 121312), (2312, 107932), (2453, 101728), (2992, 83402), (3179, 78496), (3568, 69938), (3791, 65824), (3872, 64447), (4114, 60656), (4624, 53966), (4906, 50864), (5984, 41701), (6358, 39248), (7136, 34969), (7582, 32912), (8228, 30328), (9248, 26983), (9812, 25432), (12716, 19624), (15164, 16456)]