90308281

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{13681}}^1$

素因数の和:13752

約数の個数: 16

約数和(自身を含む): 110331648

約数和(自身を除く): 20023367

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 13681, 95767, 314663, 560921, 2202641, 3926447, 12901183, 90308281]

約数ペア:

[(1, 90308281), (7, 12901183), (23, 3926447), (41, 2202641), (161, 560921), (287, 314663), (943, 95767), (6601, 13681)]