16990259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 21954240

約数和(自身を除く): 4963981

約数列:

[1, 11, 13, 17, 29, 143, 187, 221, 241, 319, 377, 493, 2431, 2651, 3133, 4097, 4147, 5423, 6409, 6989, 34463, 45067, 53261, 70499, 76879, 90857, 118813, 585871, 999427, 1306943, 1544569, 16990259]

約数ペア:

[(1, 16990259), (11, 1544569), (13, 1306943), (17, 999427), (29, 585871), (143, 118813), (187, 90857), (221, 76879), (241, 70499), (319, 53261), (377, 45067), (493, 34463), (2431, 6989), (2651, 6409), (3133, 5423), (4097, 4147)]