40781286

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 114723840

約数和(自身を除く): 73942554

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 43, 54, 63, 78, 86, 91, 117, 126, 129, 182, 189, 193, 234, 258, 273, 301, 351, 378, 386, 387, 546, 559, 579, 602, 702, 774, 819, 903, 1118, 1158, 1161, 1351, 1638, 1677, 1737, 1806, 2322, 2457, 2509, 2702, 2709, 3354, 3474, 3913, 4053, 4914, 5018, 5031, 5211, 5418, 7527, 7826, 8106, 8127, 8299, 10062, 10422, 11739, 12159, 15054, 15093, 16254, 16598, 17563, 22581, 23478, 24318, 24897, 30186, 35126, 35217, 36477, 45162, 49794, 52689, 58093, 67743, 70434, 72954, 74691, 105378, 105651, 107887, 116186, 135486, 149382, 158067, 174279, 211302, 215774, 224073, 316134, 323661, 348558, 448146, 474201, 522837, 647322, 755209, 948402, 970983, 1045674, 1510418, 1568511, 1941966, 2265627, 2912949, 3137022, 4531254, 5825898, 6796881, 13593762, 20390643, 40781286]

約数ペア:

[(1, 40781286), (2, 20390643), (3, 13593762), (6, 6796881), (7, 5825898), (9, 4531254), (13, 3137022), (14, 2912949), (18, 2265627), (21, 1941966), (26, 1568511), (27, 1510418), (39, 1045674), (42, 970983), (43, 948402), (54, 755209), (63, 647322), (78, 522837), (86, 474201), (91, 448146), (117, 348558), (126, 323661), (129, 316134), (182, 224073), (189, 215774), (193, 211302), (234, 174279), (258, 158067), (273, 149382), (301, 135486), (351, 116186), (378, 107887), (386, 105651), (387, 105378), (546, 74691), (559, 72954), (579, 70434), (602, 67743), (702, 58093), (774, 52689), (819, 49794), (903, 45162), (1118, 36477), (1158, 35217), (1161, 35126), (1351, 30186), (1638, 24897), (1677, 24318), (1737, 23478), (1806, 22581), (2322, 17563), (2457, 16598), (2509, 16254), (2702, 15093), (2709, 15054), (3354, 12159), (3474, 11739), (3913, 10422), (4053, 10062), (4914, 8299), (5018, 8127), (5031, 8106), (5211, 7826), (5418, 7527)]