128210824

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{21397}}^1$

素因数の和:21517

約数の個数: 32

約数和(自身を含む): 277318080

約数和(自身を除く): 149107256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 5992, 21397, 42794, 85588, 149779, 171176, 299558, 599116, 1198232, 2289479, 4578958, 9157916, 16026353, 18315832, 32052706, 64105412, 128210824]

約数ペア:

[(1, 128210824), (2, 64105412), (4, 32052706), (7, 18315832), (8, 16026353), (14, 9157916), (28, 4578958), (56, 2289479), (107, 1198232), (214, 599116), (428, 299558), (749, 171176), (856, 149779), (1498, 85588), (2996, 42794), (5992, 21397)]