28563311

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 33474048

約数和(自身を除く): 4910737

約数列:

[1, 7, 61, 151, 427, 443, 1057, 3101, 9211, 27023, 64477, 66893, 189161, 468251, 4080473, 28563311]

約数ペア:

[(1, 28563311), (7, 4080473), (61, 468251), (151, 189161), (427, 66893), (443, 64477), (1057, 27023), (3101, 9211)]