678542924

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{3945017}}^1$

素因数の和:3945064

約数の個数: 12

約数和(自身を含む): 1215065544

約数和(自身を除く): 536522620

約数列:

[1, 2, 4, 43, 86, 172, 3945017, 7890034, 15780068, 169635731, 339271462, 678542924]

約数ペア:

[(1, 678542924), (2, 339271462), (4, 169635731), (43, 15780068), (86, 7890034), (172, 3945017)]