488996977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 606228480

約数和(自身を除く): 117231503

約数列:

[1, 7, 19, 47, 133, 137, 329, 571, 893, 959, 2603, 3997, 6251, 6439, 10849, 18221, 26837, 45073, 75943, 78227, 122341, 187859, 509903, 547589, 856387, 1486313, 3569321, 3676669, 10404191, 25736683, 69856711, 488996977]

約数ペア:

[(1, 488996977), (7, 69856711), (19, 25736683), (47, 10404191), (133, 3676669), (137, 3569321), (329, 1486313), (571, 856387), (893, 547589), (959, 509903), (2603, 187859), (3997, 122341), (6251, 78227), (6439, 75943), (10849, 45073), (18221, 26837)]