209519233

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1\times {\mathrm{2423}}^1$

素因数の和:3564

約数の個数: 16

約数和(自身を含む): 261559296

約数和(自身を除く): 52040063

約数列:

[1, 7, 11, 77, 1123, 2423, 7861, 12353, 16961, 26653, 86471, 186571, 2721029, 19047203, 29931319, 209519233]

約数ペア:

[(1, 209519233), (7, 29931319), (11, 19047203), (77, 2721029), (1123, 186571), (2423, 86471), (7861, 26653), (12353, 16961)]