201221086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{72019}}^1$

素因数の和:72159

約数の個数: 16

約数和(自身を含む): 331868160

約数和(自身を除く): 130647074

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 72019, 144038, 792209, 1584418, 9146413, 18292826, 100610543, 201221086]

約数ペア:

[(1, 201221086), (2, 100610543), (11, 18292826), (22, 9146413), (127, 1584418), (254, 792209), (1397, 144038), (2794, 72019)]