128261784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10753}}^1$

素因数の和:10840

約数の個数: 64

約数和(自身を含む): 371658240

約数和(自身を除く): 243396456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1988, 2982, 3976, 5964, 10753, 11928, 21506, 32259, 43012, 64518, 75271, 86024, 129036, 150542, 225813, 258072, 301084, 451626, 602168, 763463, 903252, 1526926, 1806504, 2290389, 3053852, 4580778, 5344241, 6107704, 9161556, 10688482, 16032723, 18323112, 21376964, 32065446, 42753928, 64130892, 128261784]

約数ペア:

[(1, 128261784), (2, 64130892), (3, 42753928), (4, 32065446), (6, 21376964), (7, 18323112), (8, 16032723), (12, 10688482), (14, 9161556), (21, 6107704), (24, 5344241), (28, 4580778), (42, 3053852), (56, 2290389), (71, 1806504), (84, 1526926), (142, 903252), (168, 763463), (213, 602168), (284, 451626), (426, 301084), (497, 258072), (568, 225813), (852, 150542), (994, 129036), (1491, 86024), (1704, 75271), (1988, 64518), (2982, 43012), (3976, 32259), (5964, 21506), (10753, 11928)]