320804939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 407586816

約数和(自身を除く): 86781877

約数列:

[1, 7, 13, 47, 91, 107, 329, 611, 701, 749, 1391, 4277, 4907, 5029, 9113, 9737, 32947, 35203, 63791, 65377, 75007, 230629, 428311, 457639, 525049, 975091, 2998177, 3525329, 6825637, 24677303, 45829277, 320804939]

約数ペア:

[(1, 320804939), (7, 45829277), (13, 24677303), (47, 6825637), (91, 3525329), (107, 2998177), (329, 975091), (611, 525049), (701, 457639), (749, 428311), (1391, 230629), (4277, 75007), (4907, 65377), (5029, 63791), (9113, 35203), (9737, 32947)]