2019999449

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 2416780800

約数和(自身を除く): 396781351

約数列:

[1, 13, 17, 23, 199, 221, 299, 391, 1997, 2587, 3383, 4577, 5083, 25961, 33949, 43979, 45931, 59501, 77809, 397403, 441337, 597103, 780827, 1011517, 5166239, 6755851, 9140269, 10150751, 87826063, 118823497, 155384573, 2019999449]

約数ペア:

[(1, 2019999449), (13, 155384573), (17, 118823497), (23, 87826063), (199, 10150751), (221, 9140269), (299, 6755851), (391, 5166239), (1997, 1011517), (2587, 780827), (3383, 597103), (4577, 441337), (5083, 397403), (25961, 77809), (33949, 59501), (43979, 45931)]