398450172

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{238879}}^1$

素因数の和:239025

約数の個数: 24

約数和(自身を含む): 936409600

約数和(自身を除く): 537959428

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 238879, 477758, 716637, 955516, 1433274, 2866548, 33204181, 66408362, 99612543, 132816724, 199225086, 398450172]

約数ペア:

[(1, 398450172), (2, 199225086), (3, 132816724), (4, 99612543), (6, 66408362), (12, 33204181), (139, 2866548), (278, 1433274), (417, 955516), (556, 716637), (834, 477758), (1668, 238879)]