728049474

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{290987}}^1$

素因数の和:291134

約数の個数: 24

約数和(自身を含む): 1588794480

約数和(自身を除く): 860745006

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 290987, 581974, 872961, 1745922, 2618883, 5237766, 40447193, 80894386, 121341579, 242683158, 364024737, 728049474]

約数ペア:

[(1, 728049474), (2, 364024737), (3, 242683158), (6, 121341579), (9, 80894386), (18, 40447193), (139, 5237766), (278, 2618883), (417, 1745922), (834, 872961), (1251, 581974), (2502, 290987)]