678664571

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{3121}}^1$

素因数の和:3566

約数の個数: 16

約数和(自身を含む): 750029280

約数和(自身を除く): 71364709

約数列:

[1, 13, 43, 389, 559, 3121, 5057, 16727, 40573, 134203, 217451, 1214069, 1744639, 15782897, 52204967, 678664571]

約数ペア:

[(1, 678664571), (13, 52204967), (43, 15782897), (389, 1744639), (559, 1214069), (3121, 217451), (5057, 134203), (16727, 40573)]