1287627864

素因数分解:

$2^3\times 3^1\times {\mathrm{1999}}^1\times {\mathrm{26839}}^1$

素因数の和:28847

約数の個数: 32

約数和(自身を含む): 3220800000

約数和(自身を除く): 1933172136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1999, 3998, 5997, 7996, 11994, 15992, 23988, 26839, 47976, 53678, 80517, 107356, 161034, 214712, 322068, 644136, 53651161, 107302322, 160953483, 214604644, 321906966, 429209288, 643813932, 1287627864]

約数ペア:

[(1, 1287627864), (2, 643813932), (3, 429209288), (4, 321906966), (6, 214604644), (8, 160953483), (12, 107302322), (24, 53651161), (1999, 644136), (3998, 322068), (5997, 214712), (7996, 161034), (11994, 107356), (15992, 80517), (23988, 53678), (26839, 47976)]