201979261

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 245846016

約数和(自身を除く): 43866755

約数列:

[1, 11, 17, 23, 151, 187, 253, 311, 391, 1661, 2567, 3421, 3473, 4301, 5287, 7153, 28237, 38203, 46961, 58157, 59041, 78683, 121601, 516571, 649451, 798337, 1080103, 1337611, 8781707, 11881133, 18361751, 201979261]

約数ペア:

[(1, 201979261), (11, 18361751), (17, 11881133), (23, 8781707), (151, 1337611), (187, 1080103), (253, 798337), (311, 649451), (391, 516571), (1661, 121601), (2567, 78683), (3421, 59041), (3473, 58157), (4301, 46961), (5287, 38203), (7153, 28237)]