2008904421

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{77513}}^1$

素因数の和:77732

約数の個数: 16

約数和(自身を含む): 2745855936

約数和(自身を除く): 736951515

約数列:

[1, 3, 53, 159, 163, 489, 8639, 25917, 77513, 232539, 4108189, 12324567, 12634619, 37903857, 669634807, 2008904421]

約数ペア:

[(1, 2008904421), (3, 669634807), (53, 37903857), (159, 12634619), (163, 12324567), (489, 4108189), (8639, 232539), (25917, 77513)]