2581036784

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{414691}}^1$

素因数の和:415088

約数の個数: 20

約数和(自身を含む): 5013626280

約数和(自身を除く): 2432589496

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 414691, 829382, 1658764, 3317528, 6635056, 161314799, 322629598, 645259196, 1290518392, 2581036784]

約数ペア:

[(1, 2581036784), (2, 1290518392), (4, 645259196), (8, 322629598), (16, 161314799), (389, 6635056), (778, 3317528), (1556, 1658764), (3112, 829382), (6224, 414691)]