78726490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{27241}}^1$

素因数の和:27282

約数の個数: 24

約数和(自身を含む): 150539292

約数和(自身を除く): 71812802

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 27241, 54482, 136205, 272410, 463097, 926194, 2315485, 4630970, 7872649, 15745298, 39363245, 78726490]

約数ペア:

[(1, 78726490), (2, 39363245), (5, 15745298), (10, 7872649), (17, 4630970), (34, 2315485), (85, 926194), (170, 463097), (289, 272410), (578, 136205), (1445, 54482), (2890, 27241)]