621435458

素因数分解:

$2^1\times 7^1\times {\mathrm{2203}}^1\times {\mathrm{20149}}^1$

素因数の和:22361

約数の個数: 16

約数和(自身を含む): 1065854400

約数和(自身を除く): 444418942

約数列:

[1, 2, 7, 14, 2203, 4406, 15421, 20149, 30842, 40298, 141043, 282086, 44388247, 88776494, 310717729, 621435458]

約数ペア:

[(1, 621435458), (2, 310717729), (7, 88776494), (14, 44388247), (2203, 282086), (4406, 141043), (15421, 40298), (20149, 30842)]