128875859

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7019}}^1$

素因数の和:7130

約数の個数: 16

約数和(自身を含む): 153204480

約数和(自身を除く): 24328621

約数列:

[1, 7, 43, 61, 301, 427, 2623, 7019, 18361, 49133, 301817, 428159, 2112719, 2997113, 18410837, 128875859]

約数ペア:

[(1, 128875859), (7, 18410837), (43, 2997113), (61, 2112719), (301, 428159), (427, 301817), (2623, 49133), (7019, 18361)]