420140057

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{24989}}^1$

素因数の和:25072

約数の個数: 16

約数和(自身を含む): 475009920

約数和(自身を除く): 54869863

約数列:

[1, 17, 23, 43, 391, 731, 989, 16813, 24989, 424813, 574747, 1074527, 9770699, 18266959, 24714121, 420140057]

約数ペア:

[(1, 420140057), (17, 24714121), (23, 18266959), (43, 9770699), (391, 1074527), (731, 574747), (989, 424813), (16813, 24989)]