25606328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 54933120

約数和(自身を除く): 29326792

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 67, 86, 88, 101, 134, 172, 202, 268, 344, 404, 473, 536, 737, 808, 946, 1111, 1474, 1892, 2222, 2881, 2948, 3784, 4343, 4444, 5762, 5896, 6767, 8686, 8888, 11524, 13534, 17372, 23048, 27068, 31691, 34744, 47773, 54136, 63382, 74437, 95546, 126764, 148874, 191092, 253528, 290981, 297748, 382184, 581962, 595496, 1163924, 2327848, 3200791, 6401582, 12803164, 25606328]

約数ペア:

[(1, 25606328), (2, 12803164), (4, 6401582), (8, 3200791), (11, 2327848), (22, 1163924), (43, 595496), (44, 581962), (67, 382184), (86, 297748), (88, 290981), (101, 253528), (134, 191092), (172, 148874), (202, 126764), (268, 95546), (344, 74437), (404, 63382), (473, 54136), (536, 47773), (737, 34744), (808, 31691), (946, 27068), (1111, 23048), (1474, 17372), (1892, 13534), (2222, 11524), (2881, 8888), (2948, 8686), (3784, 6767), (4343, 5896), (4444, 5762)]