27913984

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 65555168

約数和(自身を除く): 37641184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 421, 448, 518, 592, 842, 896, 1036, 1184, 1684, 1792, 2072, 2368, 2947, 3368, 4144, 4736, 5894, 6736, 8288, 9472, 11788, 13472, 15577, 16576, 23576, 26944, 31154, 33152, 47152, 53888, 62308, 66304, 94304, 107776, 109039, 124616, 188608, 218078, 249232, 377216, 436156, 498464, 754432, 872312, 996928, 1744624, 1993856, 3489248, 3987712, 6978496, 13956992, 27913984]

約数ペア:

[(1, 27913984), (2, 13956992), (4, 6978496), (7, 3987712), (8, 3489248), (14, 1993856), (16, 1744624), (28, 996928), (32, 872312), (37, 754432), (56, 498464), (64, 436156), (74, 377216), (112, 249232), (128, 218078), (148, 188608), (224, 124616), (256, 109039), (259, 107776), (296, 94304), (421, 66304), (448, 62308), (518, 53888), (592, 47152), (842, 33152), (896, 31154), (1036, 26944), (1184, 23576), (1684, 16576), (1792, 15577), (2072, 13472), (2368, 11788), (2947, 9472), (3368, 8288), (4144, 6736), (4736, 5894)]