128637768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17807}}^1$

素因数の和:17866

約数の個数: 64

約数和(自身を含む): 376104960

約数和(自身を除く): 247467192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224, 17807, 35614, 53421, 71228, 106842, 124649, 142456, 213684, 249298, 373947, 427368, 498596, 747894, 765701, 997192, 1495788, 1531402, 2297103, 2991576, 3062804, 4594206, 5359907, 6125608, 9188412, 10719814, 16079721, 18376824, 21439628, 32159442, 42879256, 64318884, 128637768]

約数ペア:

[(1, 128637768), (2, 64318884), (3, 42879256), (4, 32159442), (6, 21439628), (7, 18376824), (8, 16079721), (12, 10719814), (14, 9188412), (21, 6125608), (24, 5359907), (28, 4594206), (42, 3062804), (43, 2991576), (56, 2297103), (84, 1531402), (86, 1495788), (129, 997192), (168, 765701), (172, 747894), (258, 498596), (301, 427368), (344, 373947), (516, 249298), (602, 213684), (903, 142456), (1032, 124649), (1204, 106842), (1806, 71228), (2408, 53421), (3612, 35614), (7224, 17807)]