17957401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7523}}^1$

素因数の和:7572

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 5156327

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 7523, 52661, 82753, 233213, 579271, 1632491, 2565343, 17957401]

約数ペア:

[(1, 17957401), (7, 2565343), (11, 1632491), (31, 579271), (77, 233213), (217, 82753), (341, 52661), (2387, 7523)]