209003572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{28351}}^1$

素因数の和:28471

約数の個数: 24

約数和(自身を含む): 388989440

約数和(自身を除く): 179985868

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 7372, 28351, 56702, 113404, 538669, 1077338, 2154676, 2750047, 5500094, 11000188, 52250893, 104501786, 209003572]

約数ペア:

[(1, 209003572), (2, 104501786), (4, 52250893), (19, 11000188), (38, 5500094), (76, 2750047), (97, 2154676), (194, 1077338), (388, 538669), (1843, 113404), (3686, 56702), (7372, 28351)]