128155643

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 168210432

約数和(自身を除く): 40054789

約数列:

[1, 7, 11, 31, 53, 77, 217, 341, 371, 583, 1013, 1643, 2387, 4081, 7091, 11143, 11501, 18073, 31403, 53689, 78001, 126511, 219821, 345433, 375823, 590579, 1664359, 2418031, 4134053, 11650513, 18307949, 128155643]

約数ペア:

[(1, 128155643), (7, 18307949), (11, 11650513), (31, 4134053), (53, 2418031), (77, 1664359), (217, 590579), (341, 375823), (371, 345433), (583, 219821), (1013, 126511), (1643, 78001), (2387, 53689), (4081, 31403), (7091, 18073), (11143, 11501)]