28428526

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 51480000

約数和(自身を除く): 23051474

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 1421, 1429, 2842, 2858, 9947, 10003, 19894, 20006, 41441, 70021, 82882, 140042, 290087, 490147, 580174, 980294, 2030609, 4061218, 14214263, 28428526]

約数ペア:

[(1, 28428526), (2, 14214263), (7, 4061218), (14, 2030609), (29, 980294), (49, 580174), (58, 490147), (98, 290087), (203, 140042), (343, 82882), (406, 70021), (686, 41441), (1421, 20006), (1429, 19894), (2842, 10003), (2858, 9947)]