188892011

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31859}}^1$

素因数の和:31895

約数の個数: 18

約数和(自身を含む): 241530660

約数和(自身を除く): 52638649

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 31859, 223013, 350449, 1561091, 2453143, 3854939, 17172001, 26984573, 188892011]

約数ペア:

[(1, 188892011), (7, 26984573), (11, 17172001), (49, 3854939), (77, 2453143), (121, 1561091), (539, 350449), (847, 223013), (5929, 31859)]