1639385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 2201472

約数和(自身を除く): 562087

約数列:

[1, 5, 11, 41, 55, 205, 451, 727, 2255, 3635, 7997, 29807, 39985, 149035, 327877, 1639385]

約数ペア:

[(1, 1639385), (5, 327877), (11, 149035), (41, 39985), (55, 29807), (205, 7997), (451, 3635), (727, 2255)]