256463376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{410999}}^1$

素因数の和:411023

約数の個数: 40

約数和(自身を含む): 713496000

約数和(自身を除く): 457032624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 410999, 821998, 1232997, 1643996, 2465994, 3287992, 4931988, 5342987, 6575984, 9863976, 10685974, 16028961, 19727952, 21371948, 32057922, 42743896, 64115844, 85487792, 128231688, 256463376]

約数ペア:

[(1, 256463376), (2, 128231688), (3, 85487792), (4, 64115844), (6, 42743896), (8, 32057922), (12, 21371948), (13, 19727952), (16, 16028961), (24, 10685974), (26, 9863976), (39, 6575984), (48, 5342987), (52, 4931988), (78, 3287992), (104, 2465994), (156, 1643996), (208, 1232997), (312, 821998), (624, 410999)]