646544734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 1145016000

約数和(自身を除く): 498471266

約数列:

[1, 2, 11, 22, 29, 37, 58, 61, 74, 122, 319, 407, 449, 638, 671, 814, 898, 1073, 1342, 1769, 2146, 2257, 3538, 4514, 4939, 9878, 11803, 13021, 16613, 19459, 23606, 24827, 26042, 27389, 33226, 38918, 49654, 54778, 65453, 130906, 143231, 182743, 286462, 301279, 365486, 481777, 602558, 719983, 794281, 963554, 1013393, 1439966, 1588562, 2026786, 5299547, 8737091, 10599094, 11147323, 17474182, 22294646, 29388397, 58776794, 323272367, 646544734]

約数ペア:

[(1, 646544734), (2, 323272367), (11, 58776794), (22, 29388397), (29, 22294646), (37, 17474182), (58, 11147323), (61, 10599094), (74, 8737091), (122, 5299547), (319, 2026786), (407, 1588562), (449, 1439966), (638, 1013393), (671, 963554), (814, 794281), (898, 719983), (1073, 602558), (1342, 481777), (1769, 365486), (2146, 301279), (2257, 286462), (3538, 182743), (4514, 143231), (4939, 130906), (9878, 65453), (11803, 54778), (13021, 49654), (16613, 38918), (19459, 33226), (23606, 27389), (24827, 26042)]