1398992

素因数分解:

$2^4\times 7^1\times {\mathrm{12491}}^1$

素因数の和:12506

約数の個数: 20

約数和(自身を含む): 3098016

約数和(自身を除く): 1699024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 12491, 24982, 49964, 87437, 99928, 174874, 199856, 349748, 699496, 1398992]

約数ペア:

[(1, 1398992), (2, 699496), (4, 349748), (7, 199856), (8, 174874), (14, 99928), (16, 87437), (28, 49964), (56, 24982), (112, 12491)]