28337946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 76640256

約数和(自身を除く): 48302310

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 43, 51, 71, 78, 86, 91, 102, 119, 129, 142, 182, 213, 221, 238, 258, 273, 301, 357, 426, 442, 497, 546, 559, 602, 663, 714, 731, 903, 923, 994, 1118, 1207, 1326, 1462, 1491, 1547, 1677, 1806, 1846, 2193, 2414, 2769, 2982, 3053, 3094, 3354, 3621, 3913, 4386, 4641, 5117, 5538, 6106, 6461, 7242, 7826, 8449, 9159, 9282, 9503, 10234, 11739, 12922, 15351, 15691, 16898, 18318, 19006, 19383, 21371, 23478, 25347, 28509, 30702, 31382, 38766, 39689, 42742, 47073, 50694, 51901, 57018, 64113, 66521, 79378, 94146, 103802, 109837, 119067, 128226, 133042, 155703, 199563, 219674, 238134, 277823, 311406, 329511, 363307, 399126, 555646, 659022, 674713, 726614, 833469, 1089921, 1349426, 1666938, 2024139, 2179842, 4048278, 4722991, 9445982, 14168973, 28337946]

約数ペア:

[(1, 28337946), (2, 14168973), (3, 9445982), (6, 4722991), (7, 4048278), (13, 2179842), (14, 2024139), (17, 1666938), (21, 1349426), (26, 1089921), (34, 833469), (39, 726614), (42, 674713), (43, 659022), (51, 555646), (71, 399126), (78, 363307), (86, 329511), (91, 311406), (102, 277823), (119, 238134), (129, 219674), (142, 199563), (182, 155703), (213, 133042), (221, 128226), (238, 119067), (258, 109837), (273, 103802), (301, 94146), (357, 79378), (426, 66521), (442, 64113), (497, 57018), (546, 51901), (559, 50694), (602, 47073), (663, 42742), (714, 39689), (731, 38766), (903, 31382), (923, 30702), (994, 28509), (1118, 25347), (1207, 23478), (1326, 21371), (1462, 19383), (1491, 19006), (1547, 18318), (1677, 16898), (1806, 15691), (1846, 15351), (2193, 12922), (2414, 11739), (2769, 10234), (2982, 9503), (3053, 9282), (3094, 9159), (3354, 8449), (3621, 7826), (3913, 7242), (4386, 6461), (4641, 6106), (5117, 5538)]