212931157

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 237012480

約数和(自身を除く): 24081323

約数列:

[1, 19, 31, 53, 359, 361, 589, 1007, 1643, 6821, 11129, 11191, 19027, 19133, 31217, 129599, 211451, 361513, 589837, 593123, 4017569, 6868747, 11206903, 212931157]

約数ペア:

[(1, 212931157), (19, 11206903), (31, 6868747), (53, 4017569), (359, 593123), (361, 589837), (589, 361513), (1007, 211451), (1643, 129599), (6821, 31217), (11129, 19133), (11191, 19027)]