1990291352

素因数分解:

$2^3\times 7^1\times {\mathrm{35540917}}^1$

素因数の和:35540930

約数の個数: 16

約数和(自身を含む): 4264910160

約数和(自身を除く): 2274618808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 35540917, 71081834, 142163668, 248786419, 284327336, 497572838, 995145676, 1990291352]

約数ペア:

[(1, 1990291352), (2, 995145676), (4, 497572838), (7, 284327336), (8, 248786419), (14, 142163668), (28, 71081834), (56, 35540917)]