221261818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{5399}}^1$

素因数の和:6093

約数の個数: 16

約数和(自身を含む): 343180800

約数和(自身を除く): 121918982

約数列:

[1, 2, 31, 62, 661, 1322, 5399, 10798, 20491, 40982, 167369, 334738, 3568739, 7137478, 110630909, 221261818]

約数ペア:

[(1, 221261818), (2, 110630909), (31, 7137478), (62, 3568739), (661, 334738), (1322, 167369), (5399, 40982), (10798, 20491)]