2238992

素因数分解:

$2^4\times 7^1\times {\mathrm{19991}}^1$

素因数の和:20006

約数の個数: 20

約数和(自身を含む): 4958016

約数和(自身を除く): 2719024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 19991, 39982, 79964, 139937, 159928, 279874, 319856, 559748, 1119496, 2238992]

約数ペア:

[(1, 2238992), (2, 1119496), (4, 559748), (7, 319856), (8, 279874), (14, 159928), (16, 139937), (28, 79964), (56, 39982), (112, 19991)]