421257984

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 1293508608

約数和(自身を除く): 872250624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 127, 128, 168, 192, 224, 254, 256, 336, 381, 384, 448, 508, 617, 672, 762, 768, 889, 896, 1016, 1234, 1344, 1524, 1778, 1792, 1851, 2032, 2468, 2667, 2688, 3048, 3556, 3702, 4064, 4319, 4936, 5334, 5376, 6096, 7112, 7404, 8128, 8638, 9872, 10668, 12192, 12957, 14224, 14808, 16256, 17276, 19744, 21336, 24384, 25914, 28448, 29616, 32512, 34552, 39488, 42672, 48768, 51828, 56896, 59232, 69104, 78359, 78976, 85344, 97536, 103656, 113792, 118464, 138208, 156718, 157952, 170688, 207312, 227584, 235077, 236928, 276416, 313436, 341376, 414624, 470154, 473856, 548513, 552832, 626872, 682752, 829248, 940308, 1097026, 1105664, 1253744, 1645539, 1658496, 1880616, 2194052, 2507488, 3291078, 3316992, 3761232, 4388104, 5014976, 6582156, 7522464, 8776208, 10029952, 13164312, 15044928, 17552416, 20059904, 26328624, 30089856, 35104832, 52657248, 60179712, 70209664, 105314496, 140419328, 210628992, 421257984]

約数ペア:

[(1, 421257984), (2, 210628992), (3, 140419328), (4, 105314496), (6, 70209664), (7, 60179712), (8, 52657248), (12, 35104832), (14, 30089856), (16, 26328624), (21, 20059904), (24, 17552416), (28, 15044928), (32, 13164312), (42, 10029952), (48, 8776208), (56, 7522464), (64, 6582156), (84, 5014976), (96, 4388104), (112, 3761232), (127, 3316992), (128, 3291078), (168, 2507488), (192, 2194052), (224, 1880616), (254, 1658496), (256, 1645539), (336, 1253744), (381, 1105664), (384, 1097026), (448, 940308), (508, 829248), (617, 682752), (672, 626872), (762, 552832), (768, 548513), (889, 473856), (896, 470154), (1016, 414624), (1234, 341376), (1344, 313436), (1524, 276416), (1778, 236928), (1792, 235077), (1851, 227584), (2032, 207312), (2468, 170688), (2667, 157952), (2688, 156718), (3048, 138208), (3556, 118464), (3702, 113792), (4064, 103656), (4319, 97536), (4936, 85344), (5334, 78976), (5376, 78359), (6096, 69104), (7112, 59232), (7404, 56896), (8128, 51828), (8638, 48768), (9872, 42672), (10668, 39488), (12192, 34552), (12957, 32512), (14224, 29616), (14808, 28448), (16256, 25914), (17276, 24384), (19744, 21336)]