130885321

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{43789}}^1$

素因数の和:43864

約数の個数: 12

約数和(自身を含む): 154753860

約数和(自身を除く): 23868539

約数列:

[1, 7, 49, 61, 427, 2989, 43789, 306523, 2145661, 2671129, 18697903, 130885321]

約数ペア:

[(1, 130885321), (7, 18697903), (49, 2671129), (61, 2145661), (427, 306523), (2989, 43789)]