158135327

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{12433}}^1$

素因数の和:12542

約数の個数: 16

約数和(自身を含む): 190986240

約数和(自身を除く): 32850913

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12433, 12719, 87031, 285959, 982207, 2001713, 6875449, 22590761, 158135327]

約数ペア:

[(1, 158135327), (7, 22590761), (23, 6875449), (79, 2001713), (161, 982207), (553, 285959), (1817, 87031), (12433, 12719)]