20161257599

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{7978337}}^1$

素因数の和:7978382

約数の個数: 12

約数和(自身を含む): 24317974224

約数和(自身を除く): 4156716625

約数列:

[1, 7, 19, 133, 361, 2527, 7978337, 55848359, 151588403, 1061118821, 2880179657, 20161257599]

約数ペア:

[(1, 20161257599), (7, 2880179657), (19, 1061118821), (133, 151588403), (361, 55848359), (2527, 7978337)]