81845584

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47807}}^1$

素因数の和:47922

約数の個数: 20

約数和(自身を含む): 160061184

約数和(自身を除く): 78215600

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47807, 95614, 191228, 382456, 764912, 5115349, 10230698, 20461396, 40922792, 81845584]

約数ペア:

[(1, 81845584), (2, 40922792), (4, 20461396), (8, 10230698), (16, 5115349), (107, 764912), (214, 382456), (428, 191228), (856, 95614), (1712, 47807)]