1239261335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{268529}}^1$

素因数の和:268618

約数の個数: 16

約数和(自身を含む): 1624069440

約数和(自身を除く): 384808105

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 268529, 1342645, 3490877, 17454385, 19065559, 95327795, 247852267, 1239261335]

約数ペア:

[(1, 1239261335), (5, 247852267), (13, 95327795), (65, 19065559), (71, 17454385), (355, 3490877), (923, 1342645), (4615, 268529)]