1996715

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 2773440

約数和(自身を除く): 776725

約数列:

[1, 5, 7, 35, 89, 445, 623, 641, 3115, 3205, 4487, 22435, 57049, 285245, 399343, 1996715]

約数ペア:

[(1, 1996715), (5, 399343), (7, 285245), (35, 57049), (89, 22435), (445, 4487), (623, 3205), (641, 3115)]