989903030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{342527}}^1$

素因数の和:342568

約数の個数: 24

約数和(自身を含む): 1892809728

約数和(自身を除く): 902906698

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 342527, 685054, 1712635, 3425270, 5822959, 11645918, 29114795, 58229590, 98990303, 197980606, 494951515, 989903030]

約数ペア:

[(1, 989903030), (2, 494951515), (5, 197980606), (10, 98990303), (17, 58229590), (34, 29114795), (85, 11645918), (170, 5822959), (289, 3425270), (578, 1712635), (1445, 685054), (2890, 342527)]