68880287

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2243}}^1$

素因数の和:2398

約数の個数: 16

約数和(自身を含む): 81430272

約数和(自身を除く): 12549985

約数列:

[1, 7, 41, 107, 287, 749, 2243, 4387, 15701, 30709, 91963, 240001, 643741, 1680007, 9840041, 68880287]

約数ペア:

[(1, 68880287), (7, 9840041), (41, 1680007), (107, 643741), (287, 240001), (749, 91963), (2243, 30709), (4387, 15701)]