199859209

素因数分解:

${\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{6911}}^1$

素因数の和:7172

約数の個数: 12

約数和(自身を含む): 220631040

約数和(自身を除く): 20771831

約数列:

[1, 11, 121, 239, 2629, 6911, 28919, 76021, 836231, 1651729, 18169019, 199859209]

約数ペア:

[(1, 199859209), (11, 18169019), (121, 1651729), (239, 836231), (2629, 76021), (6911, 28919)]