278345918

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{941}}^1\times {\mathrm{1129}}^1$

素因数の和:2203

約数の個数: 16

約数和(自身を含む): 421526160

約数和(自身を除く): 143180242

約数列:

[1, 2, 131, 262, 941, 1129, 1882, 2258, 123271, 147899, 246542, 295798, 1062389, 2124778, 139172959, 278345918]

約数ペア:

[(1, 278345918), (2, 139172959), (131, 2124778), (262, 1062389), (941, 295798), (1129, 246542), (1882, 147899), (2258, 123271)]