891018790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{308311}}^1$

素因数の和:308352

約数の個数: 24

約数和(自身を含む): 1703732112

約数和(自身を除く): 812713322

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 308311, 616622, 1541555, 3083110, 5241287, 10482574, 26206435, 52412870, 89101879, 178203758, 445509395, 891018790]

約数ペア:

[(1, 891018790), (2, 445509395), (5, 178203758), (10, 89101879), (17, 52412870), (34, 26206435), (85, 10482574), (170, 5241287), (289, 3083110), (578, 1541555), (1445, 616622), (2890, 308311)]