71558912

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 150700032

約数和(自身を除く): 79141120

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 127, 128, 142, 248, 254, 256, 284, 496, 508, 568, 992, 1016, 1136, 1984, 2032, 2201, 2272, 3937, 3968, 4064, 4402, 4544, 7874, 7936, 8128, 8804, 9017, 9088, 15748, 16256, 17608, 18034, 18176, 31496, 32512, 35216, 36068, 62992, 70432, 72136, 125984, 140864, 144272, 251968, 279527, 281728, 288544, 503936, 559054, 563456, 577088, 1007872, 1118108, 1154176, 2236216, 2308352, 4472432, 8944864, 17889728, 35779456, 71558912]

約数ペア:

[(1, 71558912), (2, 35779456), (4, 17889728), (8, 8944864), (16, 4472432), (31, 2308352), (32, 2236216), (62, 1154176), (64, 1118108), (71, 1007872), (124, 577088), (127, 563456), (128, 559054), (142, 503936), (248, 288544), (254, 281728), (256, 279527), (284, 251968), (496, 144272), (508, 140864), (568, 125984), (992, 72136), (1016, 70432), (1136, 62992), (1984, 36068), (2032, 35216), (2201, 32512), (2272, 31496), (3937, 18176), (3968, 18034), (4064, 17608), (4402, 16256), (4544, 15748), (7874, 9088), (7936, 9017), (8128, 8804)]