129531392

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{8161}}^1$

素因数の和:8210

約数の個数: 40

約数和(自身を含む): 267191232

約数和(自身を除く): 137659840

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 8161, 15872, 16322, 32644, 65288, 130576, 252991, 261152, 505982, 522304, 1011964, 1044608, 2023928, 2089216, 4047856, 4178432, 8095712, 16191424, 32382848, 64765696, 129531392]

約数ペア:

[(1, 129531392), (2, 64765696), (4, 32382848), (8, 16191424), (16, 8095712), (31, 4178432), (32, 4047856), (62, 2089216), (64, 2023928), (124, 1044608), (128, 1011964), (248, 522304), (256, 505982), (496, 261152), (512, 252991), (992, 130576), (1984, 65288), (3968, 32644), (7936, 16322), (8161, 15872)]