15989885

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 19828800

約数和(自身を除く): 3838915

約数列:

[1, 5, 59, 67, 295, 335, 809, 3953, 4045, 19765, 47731, 54203, 238655, 271015, 3197977, 15989885]

約数ペア:

[(1, 15989885), (5, 3197977), (59, 271015), (67, 238655), (295, 54203), (335, 47731), (809, 19765), (3953, 4045)]