128231936

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1029

約数の個数: 80

約数和(自身を含む): 301040256

約数和(自身を除く): 172808320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 592, 896, 967, 1036, 1184, 1792, 1934, 2072, 2368, 3584, 3868, 4144, 4736, 6769, 7736, 8288, 9472, 13538, 15472, 16576, 18944, 27076, 30944, 33152, 35779, 54152, 61888, 66304, 71558, 108304, 123776, 132608, 143116, 216608, 247552, 250453, 286232, 433216, 495104, 500906, 572464, 866432, 1001812, 1144928, 1732864, 2003624, 2289856, 3465728, 4007248, 4579712, 8014496, 9159424, 16028992, 18318848, 32057984, 64115968, 128231936]

約数ペア:

[(1, 128231936), (2, 64115968), (4, 32057984), (7, 18318848), (8, 16028992), (14, 9159424), (16, 8014496), (28, 4579712), (32, 4007248), (37, 3465728), (56, 2289856), (64, 2003624), (74, 1732864), (112, 1144928), (128, 1001812), (148, 866432), (224, 572464), (256, 500906), (259, 495104), (296, 433216), (448, 286232), (512, 250453), (518, 247552), (592, 216608), (896, 143116), (967, 132608), (1036, 123776), (1184, 108304), (1792, 71558), (1934, 66304), (2072, 61888), (2368, 54152), (3584, 35779), (3868, 33152), (4144, 30944), (4736, 27076), (6769, 18944), (7736, 16576), (8288, 15472), (9472, 13538)]