28140511

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 32880640

約数和(自身を除く): 4740129

約数列:

[1, 7, 79, 151, 337, 553, 1057, 2359, 11929, 26623, 50887, 83503, 186361, 356209, 4020073, 28140511]

約数ペア:

[(1, 28140511), (7, 4020073), (79, 356209), (151, 186361), (337, 83503), (553, 50887), (1057, 26623), (2359, 11929)]