31978678

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 48600000

約数和(自身を除く): 16621322

約数列:

[1, 2, 149, 239, 298, 449, 478, 898, 35611, 66901, 71222, 107311, 133802, 214622, 15989339, 31978678]

約数ペア:

[(1, 31978678), (2, 15989339), (149, 214622), (239, 133802), (298, 107311), (449, 71222), (478, 66901), (898, 35611)]