28188216

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 90854400

約数和(自身を除く): 62666184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 103, 108, 126, 168, 181, 189, 206, 216, 252, 309, 362, 378, 412, 504, 543, 618, 721, 724, 756, 824, 927, 1086, 1236, 1267, 1442, 1448, 1512, 1629, 1854, 2163, 2172, 2472, 2534, 2781, 2884, 3258, 3708, 3801, 4326, 4344, 4887, 5068, 5562, 5768, 6489, 6516, 7416, 7602, 8652, 9774, 10136, 11124, 11403, 12978, 13032, 15204, 17304, 18643, 19467, 19548, 22248, 22806, 25956, 30408, 34209, 37286, 38934, 39096, 45612, 51912, 55929, 68418, 74572, 77868, 91224, 111858, 130501, 136836, 149144, 155736, 167787, 223716, 261002, 273672, 335574, 391503, 447432, 503361, 522004, 671148, 783006, 1006722, 1044008, 1174509, 1342296, 1566012, 2013444, 2349018, 3132024, 3523527, 4026888, 4698036, 7047054, 9396072, 14094108, 28188216]

約数ペア:

[(1, 28188216), (2, 14094108), (3, 9396072), (4, 7047054), (6, 4698036), (7, 4026888), (8, 3523527), (9, 3132024), (12, 2349018), (14, 2013444), (18, 1566012), (21, 1342296), (24, 1174509), (27, 1044008), (28, 1006722), (36, 783006), (42, 671148), (54, 522004), (56, 503361), (63, 447432), (72, 391503), (84, 335574), (103, 273672), (108, 261002), (126, 223716), (168, 167787), (181, 155736), (189, 149144), (206, 136836), (216, 130501), (252, 111858), (309, 91224), (362, 77868), (378, 74572), (412, 68418), (504, 55929), (543, 51912), (618, 45612), (721, 39096), (724, 38934), (756, 37286), (824, 34209), (927, 30408), (1086, 25956), (1236, 22806), (1267, 22248), (1442, 19548), (1448, 19467), (1512, 18643), (1629, 17304), (1854, 15204), (2163, 13032), (2172, 12978), (2472, 11403), (2534, 11124), (2781, 10136), (2884, 9774), (3258, 8652), (3708, 7602), (3801, 7416), (4326, 6516), (4344, 6489), (4887, 5768), (5068, 5562)]