1666938

素因数分解:

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

素因数の和:139

約数の個数: 64

約数和(自身を含む): 4257792

約数和(自身を除く): 2590854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 71, 78, 86, 91, 129, 142, 182, 213, 258, 273, 301, 426, 497, 546, 559, 602, 903, 923, 994, 1118, 1491, 1677, 1806, 1846, 2769, 2982, 3053, 3354, 3913, 5538, 6106, 6461, 7826, 9159, 11739, 12922, 18318, 19383, 21371, 23478, 38766, 39689, 42742, 64113, 79378, 119067, 128226, 238134, 277823, 555646, 833469, 1666938]

約数ペア:

[(1, 1666938), (2, 833469), (3, 555646), (6, 277823), (7, 238134), (13, 128226), (14, 119067), (21, 79378), (26, 64113), (39, 42742), (42, 39689), (43, 38766), (71, 23478), (78, 21371), (86, 19383), (91, 18318), (129, 12922), (142, 11739), (182, 9159), (213, 7826), (258, 6461), (273, 6106), (301, 5538), (426, 3913), (497, 3354), (546, 3053), (559, 2982), (602, 2769), (903, 1846), (923, 1806), (994, 1677), (1118, 1491)]