128327104

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1025

約数の個数: 56

約数和(自身を含む): 266858496

約数和(自身を除く): 138531392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 142, 248, 284, 496, 568, 911, 992, 1136, 1822, 1984, 2201, 2272, 3644, 4402, 4544, 7288, 8804, 14576, 17608, 28241, 29152, 35216, 56482, 58304, 64681, 70432, 112964, 129362, 140864, 225928, 258724, 451856, 517448, 903712, 1034896, 1807424, 2005111, 2069792, 4010222, 4139584, 8020444, 16040888, 32081776, 64163552, 128327104]

約数ペア:

[(1, 128327104), (2, 64163552), (4, 32081776), (8, 16040888), (16, 8020444), (31, 4139584), (32, 4010222), (62, 2069792), (64, 2005111), (71, 1807424), (124, 1034896), (142, 903712), (248, 517448), (284, 451856), (496, 258724), (568, 225928), (911, 140864), (992, 129362), (1136, 112964), (1822, 70432), (1984, 64681), (2201, 58304), (2272, 56482), (3644, 35216), (4402, 29152), (4544, 28241), (7288, 17608), (8804, 14576)]