128316544

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 273655800

約数和(自身を除く): 145339256

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 128, 136, 218, 272, 436, 541, 544, 872, 1082, 1088, 1744, 1853, 2164, 2176, 3488, 3706, 4328, 6976, 7412, 8656, 9197, 13952, 14824, 17312, 18394, 29648, 34624, 36788, 58969, 59296, 69248, 73576, 117938, 118592, 147152, 235876, 237184, 294304, 471752, 588608, 943504, 1002473, 1177216, 1887008, 2004946, 3774016, 4009892, 7548032, 8019784, 16039568, 32079136, 64158272, 128316544]

約数ペア:

[(1, 128316544), (2, 64158272), (4, 32079136), (8, 16039568), (16, 8019784), (17, 7548032), (32, 4009892), (34, 3774016), (64, 2004946), (68, 1887008), (109, 1177216), (128, 1002473), (136, 943504), (218, 588608), (272, 471752), (436, 294304), (541, 237184), (544, 235876), (872, 147152), (1082, 118592), (1088, 117938), (1744, 73576), (1853, 69248), (2164, 59296), (2176, 58969), (3488, 36788), (3706, 34624), (4328, 29648), (6976, 18394), (7412, 17312), (8656, 14824), (9197, 13952)]