9820985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 12773376

約数和(自身を除く): 2952391

約数列:

[1, 5, 17, 43, 85, 215, 731, 2687, 3655, 13435, 45679, 115541, 228395, 577705, 1964197, 9820985]

約数ペア:

[(1, 9820985), (5, 1964197), (17, 577705), (43, 228395), (85, 115541), (215, 45679), (731, 13435), (2687, 3655)]