208338526

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20088

約数の個数: 24

約数和(自身を含む): 351506232

約数和(自身を除く): 143167706

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 20021, 40042, 220231, 440462, 860903, 1721806, 2422541, 4845082, 9469933, 18939866, 104169263, 208338526]

約数ペア:

[(1, 208338526), (2, 104169263), (11, 18939866), (22, 9469933), (43, 4845082), (86, 2422541), (121, 1721806), (242, 860903), (473, 440462), (946, 220231), (5203, 40042), (10406, 20021)]