215286568

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 514252800

約数和(自身を除く): 298966232

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 61, 62, 76, 107, 122, 124, 133, 152, 214, 217, 244, 248, 266, 427, 428, 434, 488, 532, 589, 749, 854, 856, 868, 1064, 1159, 1178, 1498, 1708, 1736, 1891, 2033, 2318, 2356, 2996, 3317, 3416, 3782, 4066, 4123, 4636, 4712, 5992, 6527, 6634, 7564, 8113, 8132, 8246, 9272, 13054, 13237, 13268, 14231, 15128, 16226, 16264, 16492, 23219, 26108, 26474, 26536, 28462, 32452, 32984, 35929, 45689, 46438, 52216, 52948, 56924, 63023, 64904, 71858, 91378, 92876, 105896, 113848, 124013, 126046, 143716, 182756, 185752, 202337, 248026, 251503, 252092, 287432, 365512, 404674, 441161, 496052, 503006, 504184, 809348, 868091, 882322, 992104, 1006012, 1416359, 1618696, 1736182, 1764644, 2012024, 2832718, 3472364, 3529288, 3844403, 5665436, 6944728, 7688806, 11330872, 15377612, 26910821, 30755224, 53821642, 107643284, 215286568]

約数ペア:

[(1, 215286568), (2, 107643284), (4, 53821642), (7, 30755224), (8, 26910821), (14, 15377612), (19, 11330872), (28, 7688806), (31, 6944728), (38, 5665436), (56, 3844403), (61, 3529288), (62, 3472364), (76, 2832718), (107, 2012024), (122, 1764644), (124, 1736182), (133, 1618696), (152, 1416359), (214, 1006012), (217, 992104), (244, 882322), (248, 868091), (266, 809348), (427, 504184), (428, 503006), (434, 496052), (488, 441161), (532, 404674), (589, 365512), (749, 287432), (854, 252092), (856, 251503), (868, 248026), (1064, 202337), (1159, 185752), (1178, 182756), (1498, 143716), (1708, 126046), (1736, 124013), (1891, 113848), (2033, 105896), (2318, 92876), (2356, 91378), (2996, 71858), (3317, 64904), (3416, 63023), (3782, 56924), (4066, 52948), (4123, 52216), (4636, 46438), (4712, 45689), (5992, 35929), (6527, 32984), (6634, 32452), (7564, 28462), (8113, 26536), (8132, 26474), (8246, 26108), (9272, 23219), (13054, 16492), (13237, 16264), (13268, 16226), (14231, 15128)]