2019420235

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{648289}}^1$

素因数の和:648390

約数の個数: 16

約数和(自身を含む): 2800612800

約数和(自身を除く): 781192565

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 648289, 3241445, 4538023, 22690115, 57697721, 288488605, 403884047, 2019420235]

約数ペア:

[(1, 2019420235), (5, 403884047), (7, 288488605), (35, 57697721), (89, 22690115), (445, 4538023), (623, 3241445), (3115, 648289)]