1649273872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 3479152320

約数和(自身を除く): 1829878448

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 113, 152, 164, 226, 304, 328, 452, 656, 779, 904, 1171, 1558, 1808, 2147, 2342, 3116, 4294, 4633, 4684, 6232, 8588, 9266, 9368, 12464, 17176, 18532, 18736, 22249, 34352, 37064, 44498, 48011, 74128, 88027, 88996, 96022, 132323, 176054, 177992, 192044, 264646, 352108, 355984, 384088, 529292, 704216, 768176, 912209, 1058584, 1408432, 1824418, 2117168, 2514137, 3648836, 5028274, 5425243, 7297672, 10056548, 10850486, 14595344, 20113096, 21700972, 40226192, 43401944, 86803888, 103079617, 206159234, 412318468, 824636936, 1649273872]

約数ペア:

[(1, 1649273872), (2, 824636936), (4, 412318468), (8, 206159234), (16, 103079617), (19, 86803888), (38, 43401944), (41, 40226192), (76, 21700972), (82, 20113096), (113, 14595344), (152, 10850486), (164, 10056548), (226, 7297672), (304, 5425243), (328, 5028274), (452, 3648836), (656, 2514137), (779, 2117168), (904, 1824418), (1171, 1408432), (1558, 1058584), (1808, 912209), (2147, 768176), (2342, 704216), (3116, 529292), (4294, 384088), (4633, 355984), (4684, 352108), (6232, 264646), (8588, 192044), (9266, 177992), (9368, 176054), (12464, 132323), (17176, 96022), (18532, 88996), (18736, 88027), (22249, 74128), (34352, 48011), (37064, 44498)]