11720891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6818

約数の個数: 16

約数和(自身を含む): 15187200

約数和(自身を除く): 3466309

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 6779, 47453, 88127, 128801, 616889, 901607, 1674413, 11720891]

約数ペア:

[(1, 11720891), (7, 1674413), (13, 901607), (19, 616889), (91, 128801), (133, 88127), (247, 47453), (1729, 6779)]