81489085

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{5657}}^1$

素因数の和:5772

約数の個数: 16

約数和(自身を含む): 101572416

約数和(自身を除く): 20083331

約数列:

[1, 5, 43, 67, 215, 335, 2881, 5657, 14405, 28285, 243251, 379019, 1216255, 1895095, 16297817, 81489085]

約数ペア:

[(1, 81489085), (5, 16297817), (43, 1895095), (67, 1216255), (215, 379019), (335, 243251), (2881, 28285), (5657, 14405)]