157021328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 310248000

約数和(自身を除く): 153226672

約数列:

[1, 2, 4, 8, 16, 71, 142, 277, 284, 499, 554, 568, 998, 1108, 1136, 1996, 2216, 3992, 4432, 7984, 19667, 35429, 39334, 70858, 78668, 138223, 141716, 157336, 276446, 283432, 314672, 552892, 566864, 1105784, 2211568, 9813833, 19627666, 39255332, 78510664, 157021328]

約数ペア:

[(1, 157021328), (2, 78510664), (4, 39255332), (8, 19627666), (16, 9813833), (71, 2211568), (142, 1105784), (277, 566864), (284, 552892), (499, 314672), (554, 283432), (568, 276446), (998, 157336), (1108, 141716), (1136, 138223), (1996, 78668), (2216, 70858), (3992, 39334), (4432, 35429), (7984, 19667)]