2540538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 7741440

約数和(自身を除く): 5200902

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 47, 54, 63, 66, 77, 78, 91, 94, 99, 117, 126, 141, 143, 154, 182, 189, 198, 231, 234, 273, 282, 286, 297, 329, 351, 378, 423, 429, 462, 517, 546, 594, 611, 658, 693, 702, 819, 846, 858, 987, 1001, 1034, 1222, 1269, 1287, 1386, 1551, 1638, 1833, 1974, 2002, 2079, 2457, 2538, 2574, 2961, 3003, 3102, 3619, 3666, 3861, 4158, 4277, 4653, 4914, 5499, 5922, 6006, 6721, 7238, 7722, 8554, 8883, 9009, 9306, 10857, 10998, 12831, 13442, 13959, 16497, 17766, 18018, 20163, 21714, 25662, 27027, 27918, 32571, 32994, 38493, 40326, 47047, 54054, 60489, 65142, 76986, 94094, 97713, 115479, 120978, 141141, 181467, 195426, 230958, 282282, 362934, 423423, 846846, 1270269, 2540538]

約数ペア:

[(1, 2540538), (2, 1270269), (3, 846846), (6, 423423), (7, 362934), (9, 282282), (11, 230958), (13, 195426), (14, 181467), (18, 141141), (21, 120978), (22, 115479), (26, 97713), (27, 94094), (33, 76986), (39, 65142), (42, 60489), (47, 54054), (54, 47047), (63, 40326), (66, 38493), (77, 32994), (78, 32571), (91, 27918), (94, 27027), (99, 25662), (117, 21714), (126, 20163), (141, 18018), (143, 17766), (154, 16497), (182, 13959), (189, 13442), (198, 12831), (231, 10998), (234, 10857), (273, 9306), (282, 9009), (286, 8883), (297, 8554), (329, 7722), (351, 7238), (378, 6721), (423, 6006), (429, 5922), (462, 5499), (517, 4914), (546, 4653), (594, 4277), (611, 4158), (658, 3861), (693, 3666), (702, 3619), (819, 3102), (846, 3003), (858, 2961), (987, 2574), (1001, 2538), (1034, 2457), (1222, 2079), (1269, 2002), (1287, 1974), (1386, 1833), (1551, 1638)]