1816988864

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{6991}}^1$

素因数の和:7165

約数の個数: 56

約数和(自身を含む): 3750844416

約数和(自身を除く): 1933855552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 131, 248, 262, 496, 524, 992, 1048, 1984, 2096, 4061, 4192, 6991, 8122, 8384, 13982, 16244, 27964, 32488, 55928, 64976, 111856, 129952, 216721, 223712, 259904, 433442, 447424, 866884, 915821, 1733768, 1831642, 3467536, 3663284, 6935072, 7326568, 13870144, 14653136, 28390451, 29306272, 56780902, 58612544, 113561804, 227123608, 454247216, 908494432, 1816988864]

約数ペア:

[(1, 1816988864), (2, 908494432), (4, 454247216), (8, 227123608), (16, 113561804), (31, 58612544), (32, 56780902), (62, 29306272), (64, 28390451), (124, 14653136), (131, 13870144), (248, 7326568), (262, 6935072), (496, 3663284), (524, 3467536), (992, 1831642), (1048, 1733768), (1984, 915821), (2096, 866884), (4061, 447424), (4192, 433442), (6991, 259904), (8122, 223712), (8384, 216721), (13982, 129952), (16244, 111856), (27964, 64976), (32488, 55928)]