28347732

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 120

約数和(自身を含む): 87816960

約数和(自身を除く): 59469228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 252, 261, 324, 348, 378, 406, 431, 522, 567, 609, 756, 783, 812, 862, 1044, 1134, 1218, 1293, 1566, 1724, 1827, 2268, 2349, 2436, 2586, 3017, 3132, 3654, 3879, 4698, 5172, 5481, 6034, 7308, 7758, 9051, 9396, 10962, 11637, 12068, 12499, 15516, 16443, 18102, 21924, 23274, 24998, 27153, 32886, 34911, 36204, 37497, 46548, 49996, 54306, 65772, 69822, 74994, 81459, 87493, 108612, 112491, 139644, 149988, 162918, 174986, 224982, 244377, 262479, 325836, 337473, 349972, 449964, 488754, 524958, 674946, 787437, 977508, 1012419, 1049916, 1349892, 1574874, 2024838, 2362311, 3149748, 4049676, 4724622, 7086933, 9449244, 14173866, 28347732]

約数ペア:

[(1, 28347732), (2, 14173866), (3, 9449244), (4, 7086933), (6, 4724622), (7, 4049676), (9, 3149748), (12, 2362311), (14, 2024838), (18, 1574874), (21, 1349892), (27, 1049916), (28, 1012419), (29, 977508), (36, 787437), (42, 674946), (54, 524958), (58, 488754), (63, 449964), (81, 349972), (84, 337473), (87, 325836), (108, 262479), (116, 244377), (126, 224982), (162, 174986), (174, 162918), (189, 149988), (203, 139644), (252, 112491), (261, 108612), (324, 87493), (348, 81459), (378, 74994), (406, 69822), (431, 65772), (522, 54306), (567, 49996), (609, 46548), (756, 37497), (783, 36204), (812, 34911), (862, 32886), (1044, 27153), (1134, 24998), (1218, 23274), (1293, 21924), (1566, 18102), (1724, 16443), (1827, 15516), (2268, 12499), (2349, 12068), (2436, 11637), (2586, 10962), (3017, 9396), (3132, 9051), (3654, 7758), (3879, 7308), (4698, 6034), (5172, 5481)]