638591041

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{2281}}^1$

素因数の和:3144

約数の個数: 16

約数和(自身を含む): 720308736

約数和(自身を除く): 81717695

約数列:

[1, 11, 31, 341, 821, 2281, 9031, 25091, 25451, 70711, 279961, 777821, 1872701, 20599711, 58053731, 638591041]

約数ペア:

[(1, 638591041), (11, 58053731), (31, 20599711), (341, 1872701), (821, 777821), (2281, 279961), (9031, 70711), (25091, 25451)]