2112805

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 2686464

約数和(自身を除く): 573659

約数列:

[1, 5, 31, 43, 155, 215, 317, 1333, 1585, 6665, 9827, 13631, 49135, 68155, 422561, 2112805]

約数ペア:

[(1, 2112805), (5, 422561), (31, 68155), (43, 49135), (155, 13631), (215, 9827), (317, 6665), (1333, 1585)]