28990136

素因数分解:

$2^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1063}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 62307840

約数和(自身を除く): 33317704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 487, 974, 1063, 1948, 2126, 3409, 3896, 4252, 6818, 7441, 8504, 13636, 14882, 27272, 29764, 59528, 517681, 1035362, 2070724, 3623767, 4141448, 7247534, 14495068, 28990136]

約数ペア:

[(1, 28990136), (2, 14495068), (4, 7247534), (7, 4141448), (8, 3623767), (14, 2070724), (28, 1035362), (56, 517681), (487, 59528), (974, 29764), (1063, 27272), (1948, 14882), (2126, 13636), (3409, 8504), (3896, 7441), (4252, 6818)]