51489256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 120113280

約数和(自身を除く): 68624024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 107, 182, 214, 364, 428, 661, 728, 749, 856, 1322, 1391, 1498, 2644, 2782, 2996, 4627, 5288, 5564, 5992, 8593, 9254, 9737, 11128, 17186, 18508, 19474, 34372, 37016, 38948, 60151, 68744, 70727, 77896, 120302, 141454, 240604, 282908, 481208, 495089, 565816, 919451, 990178, 1838902, 1980356, 3677804, 3960712, 6436157, 7355608, 12872314, 25744628, 51489256]

約数ペア:

[(1, 51489256), (2, 25744628), (4, 12872314), (7, 7355608), (8, 6436157), (13, 3960712), (14, 3677804), (26, 1980356), (28, 1838902), (52, 990178), (56, 919451), (91, 565816), (104, 495089), (107, 481208), (182, 282908), (214, 240604), (364, 141454), (428, 120302), (661, 77896), (728, 70727), (749, 68744), (856, 60151), (1322, 38948), (1391, 37016), (1498, 34372), (2644, 19474), (2782, 18508), (2996, 17186), (4627, 11128), (5288, 9737), (5564, 9254), (5992, 8593)]