128210978

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{295417}}^1$

素因数の和:295457

約数の個数: 16

約数和(自身を含む): 226881024

約数和(自身を除く): 98670046

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 295417, 590834, 2067919, 4135838, 9157927, 18315854, 64105489, 128210978]

約数ペア:

[(1, 128210978), (2, 64105489), (7, 18315854), (14, 9157927), (31, 4135838), (62, 2067919), (217, 590834), (434, 295417)]