31381474

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 47779200

約数和(自身を除く): 16397726

約数列:

[1, 2, 139, 157, 278, 314, 719, 1438, 21823, 43646, 99941, 112883, 199882, 225766, 15690737, 31381474]

約数ペア:

[(1, 31381474), (2, 15690737), (139, 225766), (157, 199882), (278, 112883), (314, 99941), (719, 43646), (1438, 21823)]