1991821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 16

約数和(自身を含む): 2279088

約数和(自身を除く): 287267

約数列:

[1, 13, 37, 41, 101, 481, 533, 1313, 1517, 3737, 4141, 19721, 48581, 53833, 153217, 1991821]

約数ペア:

[(1, 1991821), (13, 153217), (37, 53833), (41, 48581), (101, 19721), (481, 4141), (533, 3737), (1313, 1517)]