31267138

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{42139}}^1$

素因数の和:42201

約数の個数: 16

約数和(自身を含む): 54613440

約数和(自身を除く): 23346302

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 42139, 84278, 294973, 589946, 2233367, 4466734, 15633569, 31267138]

約数ペア:

[(1, 31267138), (2, 15633569), (7, 4466734), (14, 2233367), (53, 589946), (106, 294973), (371, 84278), (742, 42139)]