28939015

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2861}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 42174432

約数和(自身を除く): 13235417

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 2023, 2861, 10115, 14305, 20027, 48637, 100135, 243185, 340459, 826829, 1702295, 4134145, 5787803, 28939015]

約数ペア:

[(1, 28939015), (5, 5787803), (7, 4134145), (17, 1702295), (35, 826829), (85, 340459), (119, 243185), (289, 100135), (595, 48637), (1445, 20027), (2023, 14305), (2861, 10115)]