128420545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{20663}}^1$

素因数の和:20792

約数の個数: 16

約数和(自身を含む): 169610112

約数和(自身を除く): 41189567

約数列:

[1, 5, 11, 55, 113, 565, 1243, 6215, 20663, 103315, 227293, 1136465, 2334919, 11674595, 25684109, 128420545]

約数ペア:

[(1, 128420545), (5, 25684109), (11, 11674595), (55, 2334919), (113, 1136465), (565, 227293), (1243, 103315), (6215, 20663)]