205121719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 227335680

約数和(自身を除く): 22213961

約数列:

[1, 11, 103, 197, 919, 1133, 2167, 10109, 20291, 94657, 181043, 223201, 1041227, 1991473, 18647429, 205121719]

約数ペア:

[(1, 205121719), (11, 18647429), (103, 1991473), (197, 1041227), (919, 223201), (1133, 181043), (2167, 94657), (10109, 20291)]