2012989745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{720211}}^1$

素因数の和:720272

約数の個数: 16

約数和(自身を含む): 2661903552

約数和(自身を除く): 648913807

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 720211, 3601055, 9362743, 30969073, 46813715, 154845365, 402597949, 2012989745]

約数ペア:

[(1, 2012989745), (5, 402597949), (13, 154845365), (43, 46813715), (65, 30969073), (215, 9362743), (559, 3601055), (2795, 720211)]