81530642

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{4027}}^1$

素因数の和:4273

約数の個数: 16

約数和(自身を含む): 125286912

約数和(自身を除く): 43756270

約数列:

[1, 2, 53, 106, 191, 382, 4027, 8054, 10123, 20246, 213431, 426862, 769157, 1538314, 40765321, 81530642]

約数ペア:

[(1, 81530642), (2, 40765321), (53, 1538314), (106, 769157), (191, 426862), (382, 213431), (4027, 20246), (8054, 10123)]