28011906

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 69277824

約数和(自身を除く): 41265918

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 81, 94, 117, 141, 162, 234, 282, 283, 351, 423, 566, 611, 702, 846, 849, 1053, 1222, 1269, 1698, 1833, 2106, 2538, 2547, 3666, 3679, 3807, 5094, 5499, 7358, 7614, 7641, 10998, 11037, 13301, 15282, 16497, 22074, 22923, 26602, 32994, 33111, 39903, 45846, 49491, 66222, 79806, 98982, 99333, 119709, 172913, 198666, 239418, 297999, 345826, 359127, 518739, 595998, 718254, 1037478, 1077381, 1556217, 2154762, 3112434, 4668651, 9337302, 14005953, 28011906]

約数ペア:

[(1, 28011906), (2, 14005953), (3, 9337302), (6, 4668651), (9, 3112434), (13, 2154762), (18, 1556217), (26, 1077381), (27, 1037478), (39, 718254), (47, 595998), (54, 518739), (78, 359127), (81, 345826), (94, 297999), (117, 239418), (141, 198666), (162, 172913), (234, 119709), (282, 99333), (283, 98982), (351, 79806), (423, 66222), (566, 49491), (611, 45846), (702, 39903), (846, 33111), (849, 32994), (1053, 26602), (1222, 22923), (1269, 22074), (1698, 16497), (1833, 15282), (2106, 13301), (2538, 11037), (2547, 10998), (3666, 7641), (3679, 7614), (3807, 7358), (5094, 5499)]