197901804569

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1\times {\mathrm{971903}}^1$

素因数の和:973460

約数の個数: 16

約数和(自身を含む): 238233108480

約数和(自身を除く): 40331303911

約数列:

[1, 7, 19, 133, 1531, 10717, 29089, 203623, 971903, 6803321, 18466157, 129263099, 1487983493, 10415884451, 28271686367, 197901804569]

約数ペア:

[(1, 197901804569), (7, 28271686367), (19, 10415884451), (133, 1487983493), (1531, 129263099), (10717, 18466157), (29089, 6803321), (203623, 971903)]