28759835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1531}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 39507216

約数和(自身を除く): 10747381

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 1531, 3757, 7655, 18785, 19903, 26027, 99515, 130135, 338351, 442459, 1691755, 2212295, 5751967, 28759835]

約数ペア:

[(1, 28759835), (5, 5751967), (13, 2212295), (17, 1691755), (65, 442459), (85, 338351), (221, 130135), (289, 99515), (1105, 26027), (1445, 19903), (1531, 18785), (3757, 7655)]