128263236478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{379477031}}^1$

素因数の和:379477059

約数の個数: 12

約数和(自身を含む): 208332890568

約数和(自身を除く): 80069654090

約数列:

[1, 2, 13, 26, 169, 338, 379477031, 758954062, 4933201403, 9866402806, 64131618239, 128263236478]

約数ペア:

[(1, 128263236478), (2, 64131618239), (13, 9866402806), (26, 4933201403), (169, 758954062), (338, 379477031)]