138444383

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{78173}}^1$

素因数の和:78214

約数の個数: 16

約数和(自身を含む): 180112896

約数和(自身を除く): 41668513

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 78173, 547211, 859903, 1797979, 6019321, 12585853, 19777769, 138444383]

約数ペア:

[(1, 138444383), (7, 19777769), (11, 12585853), (23, 6019321), (77, 1797979), (161, 859903), (253, 547211), (1771, 78173)]