28561288

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 64944000

約数和(自身を除く): 36382712

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 56, 58, 86, 116, 172, 203, 232, 301, 344, 406, 409, 602, 812, 818, 1204, 1247, 1624, 1636, 2408, 2494, 2863, 3272, 4988, 5726, 8729, 9976, 11452, 11861, 17458, 17587, 22904, 23722, 34916, 35174, 47444, 69832, 70348, 83027, 94888, 123109, 140696, 166054, 246218, 332108, 492436, 510023, 664216, 984872, 1020046, 2040092, 3570161, 4080184, 7140322, 14280644, 28561288]

約数ペア:

[(1, 28561288), (2, 14280644), (4, 7140322), (7, 4080184), (8, 3570161), (14, 2040092), (28, 1020046), (29, 984872), (43, 664216), (56, 510023), (58, 492436), (86, 332108), (116, 246218), (172, 166054), (203, 140696), (232, 123109), (301, 94888), (344, 83027), (406, 70348), (409, 69832), (602, 47444), (812, 35174), (818, 34916), (1204, 23722), (1247, 22904), (1624, 17587), (1636, 17458), (2408, 11861), (2494, 11452), (2863, 9976), (3272, 8729), (4988, 5726)]