8221398

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2131}}^1$

素因数の和:2779

約数の個数: 16

約数和(自身を含む): 16476096

約数和(自身を除く): 8254698

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 2131, 3858, 4262, 6393, 12786, 1370233, 2740466, 4110699, 8221398]

約数ペア:

[(1, 8221398), (2, 4110699), (3, 2740466), (6, 1370233), (643, 12786), (1286, 6393), (1929, 4262), (2131, 3858)]