1991633210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28451903}}^1$

素因数の和:28451917

約数の個数: 16

約数和(自身を含む): 4097074176

約数和(自身を除く): 2105440966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28451903, 56903806, 142259515, 199163321, 284519030, 398326642, 995816605, 1991633210]

約数ペア:

[(1, 1991633210), (2, 995816605), (5, 398326642), (7, 284519030), (10, 199163321), (14, 142259515), (35, 56903806), (70, 28451903)]