821745490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{284341}}^1$

素因数の和:284382

約数の個数: 24

約数和(自身を含む): 1571273892

約数和(自身を除く): 749528402

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 284341, 568682, 1421705, 2843410, 4833797, 9667594, 24168985, 48337970, 82174549, 164349098, 410872745, 821745490]

約数ペア:

[(1, 821745490), (2, 410872745), (5, 164349098), (10, 82174549), (17, 48337970), (34, 24168985), (85, 9667594), (170, 4833797), (289, 2843410), (578, 1421705), (1445, 568682), (2890, 284341)]