13865995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 20645856

約数和(自身を除く): 6779861

約数列:

[1, 5, 11, 13, 41, 43, 55, 65, 121, 143, 205, 215, 451, 473, 533, 559, 605, 715, 1573, 1763, 2255, 2365, 2665, 2795, 4961, 5203, 5863, 6149, 7865, 8815, 19393, 22919, 24805, 26015, 29315, 30745, 64493, 67639, 96965, 114595, 213323, 252109, 322465, 338195, 1066615, 1260545, 2773199, 13865995]

約数ペア:

[(1, 13865995), (5, 2773199), (11, 1260545), (13, 1066615), (41, 338195), (43, 322465), (55, 252109), (65, 213323), (121, 114595), (143, 96965), (205, 67639), (215, 64493), (451, 30745), (473, 29315), (533, 26015), (559, 24805), (605, 22919), (715, 19393), (1573, 8815), (1763, 7865), (2255, 6149), (2365, 5863), (2665, 5203), (2795, 4961)]