81171816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 222264000

約数和(自身を除く): 141092184

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 349, 698, 881, 1047, 1396, 1762, 2094, 2643, 2792, 3524, 3839, 4188, 5286, 7048, 7678, 8376, 9691, 10572, 11517, 15356, 19382, 21144, 23034, 29073, 30712, 38764, 46068, 58146, 77528, 92136, 116292, 232584, 307469, 614938, 922407, 1229876, 1844814, 2459752, 3382159, 3689628, 6764318, 7379256, 10146477, 13528636, 20292954, 27057272, 40585908, 81171816]

約数ペア:

[(1, 81171816), (2, 40585908), (3, 27057272), (4, 20292954), (6, 13528636), (8, 10146477), (11, 7379256), (12, 6764318), (22, 3689628), (24, 3382159), (33, 2459752), (44, 1844814), (66, 1229876), (88, 922407), (132, 614938), (264, 307469), (349, 232584), (698, 116292), (881, 92136), (1047, 77528), (1396, 58146), (1762, 46068), (2094, 38764), (2643, 30712), (2792, 29073), (3524, 23034), (3839, 21144), (4188, 19382), (5286, 15356), (7048, 11517), (7678, 10572), (8376, 9691)]