221349889

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 234316800

約数和(自身を除く): 12966911

約数列:

[1, 31, 53, 199, 677, 1643, 6169, 10547, 20987, 35881, 134723, 326957, 1112311, 4176413, 7140319, 221349889]

約数ペア:

[(1, 221349889), (31, 7140319), (53, 4176413), (199, 1112311), (677, 326957), (1643, 134723), (6169, 35881), (10547, 20987)]