138817072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{201769}}^1$

素因数の和:201820

約数の個数: 20

約数和(自身を含む): 275214280

約数和(自身を除く): 136397208

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 201769, 403538, 807076, 1614152, 3228304, 8676067, 17352134, 34704268, 69408536, 138817072]

約数ペア:

[(1, 138817072), (2, 69408536), (4, 34704268), (8, 17352134), (16, 8676067), (43, 3228304), (86, 1614152), (172, 807076), (344, 403538), (688, 201769)]