128500057

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{10103}}^1$

素因数の和:10212

約数の個数: 16

約数和(自身を含む): 155197440

約数和(自身を除く): 26697383

約数列:

[1, 7, 23, 79, 161, 553, 1817, 10103, 12719, 70721, 232369, 798137, 1626583, 5586959, 18357151, 128500057]

約数ペア:

[(1, 128500057), (7, 18357151), (23, 5586959), (79, 1626583), (161, 798137), (553, 232369), (1817, 70721), (10103, 12719)]