81425089

素因数分解:

${\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 87442560

約数和(自身を除く): 6017471

約数列:

[1, 19, 101, 151, 281, 1919, 2869, 5339, 15251, 28381, 42431, 289769, 539239, 806189, 4285531, 81425089]

約数ペア:

[(1, 81425089), (19, 4285531), (101, 806189), (151, 539239), (281, 289769), (1919, 42431), (2869, 28381), (5339, 15251)]