42557999

素因数分解:

${\mathrm{11}}^2\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1222

約数の個数: 12

約数和(自身を含む): 46938360

約数和(自身を除く): 4380361

約数列:

[1, 11, 121, 509, 691, 5599, 7601, 61589, 83611, 351719, 3868909, 42557999]

約数ペア:

[(1, 42557999), (11, 3868909), (121, 351719), (509, 83611), (691, 61589), (5599, 7601)]