2686255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:76

約数の個数: 36

約数和(自身を含む): 4045032

約数和(自身を除く): 1358777

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 169, 187, 221, 289, 715, 845, 935, 1105, 1445, 1859, 2431, 2873, 3179, 3757, 9295, 12155, 14365, 15895, 18785, 31603, 41327, 48841, 158015, 206635, 244205, 537251, 2686255]

約数ペア:

[(1, 2686255), (5, 537251), (11, 244205), (13, 206635), (17, 158015), (55, 48841), (65, 41327), (85, 31603), (143, 18785), (169, 15895), (187, 14365), (221, 12155), (289, 9295), (715, 3757), (845, 3179), (935, 2873), (1105, 2431), (1445, 1859)]