26561668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 55738368

約数和(自身を除く): 29176700

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 431, 434, 497, 862, 868, 994, 1724, 1988, 2201, 3017, 4402, 6034, 8804, 12068, 13361, 15407, 26722, 30601, 30814, 53444, 61202, 61628, 93527, 122404, 187054, 214207, 374108, 428414, 856828, 948631, 1897262, 3794524, 6640417, 13280834, 26561668]

約数ペア:

[(1, 26561668), (2, 13280834), (4, 6640417), (7, 3794524), (14, 1897262), (28, 948631), (31, 856828), (62, 428414), (71, 374108), (124, 214207), (142, 187054), (217, 122404), (284, 93527), (431, 61628), (434, 61202), (497, 53444), (862, 30814), (868, 30601), (994, 26722), (1724, 15407), (1988, 13361), (2201, 12068), (3017, 8804), (4402, 6034)]