12891086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21557}}^1$

素因数の和:21595

約数の個数: 16

約数和(自身を含む): 21730464

約数和(自身を除く): 8839378

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 21557, 43114, 280241, 495811, 560482, 991622, 6445543, 12891086]

約数ペア:

[(1, 12891086), (2, 6445543), (13, 991622), (23, 560482), (26, 495811), (46, 280241), (299, 43114), (598, 21557)]