11998987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11987}}^1$

素因数の和:12018

約数の個数: 16

約数和(自身を含む): 16111872

約数和(自身を除く): 4112885

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 11987, 83909, 131857, 155831, 922999, 1090817, 1714141, 11998987]

約数ペア:

[(1, 11998987), (7, 1714141), (11, 1090817), (13, 922999), (77, 155831), (91, 131857), (143, 83909), (1001, 11987)]