1398601264

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{224711}}^1$

素因数の和:225108

約数の個数: 20

約数和(自身を含む): 2716768080

約数和(自身を除く): 1318166816

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 224711, 449422, 898844, 1797688, 3595376, 87412579, 174825158, 349650316, 699300632, 1398601264]

約数ペア:

[(1, 1398601264), (2, 699300632), (4, 349650316), (8, 174825158), (16, 87412579), (389, 3595376), (778, 1797688), (1556, 898844), (3112, 449422), (6224, 224711)]