2991211535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1243747}}^1$

素因数の和:1243802

約数の個数: 16

約数和(自身を含む): 3970043616

約数和(自身を除く): 978832081

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 1243747, 6218735, 16168711, 46018639, 80843555, 230093195, 598242307, 2991211535]

約数ペア:

[(1, 2991211535), (5, 598242307), (13, 230093195), (37, 80843555), (65, 46018639), (185, 16168711), (481, 6218735), (2405, 1243747)]