11720015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 14708736

約数和(自身を除く): 2988721

約数列:

[1, 5, 31, 83, 155, 415, 911, 2573, 4555, 12865, 28241, 75613, 141205, 378065, 2344003, 11720015]

約数ペア:

[(1, 11720015), (5, 2344003), (31, 378065), (83, 141205), (155, 75613), (415, 28241), (911, 12865), (2573, 4555)]