211231438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{11839}}^1$

素因数の和:12663

約数の個数: 16

約数和(自身を含む): 346106880

約数和(自身を除く): 134875442

約数列:

[1, 2, 11, 22, 811, 1622, 8921, 11839, 17842, 23678, 130229, 260458, 9601429, 19202858, 105615719, 211231438]

約数ペア:

[(1, 211231438), (2, 105615719), (11, 19202858), (22, 9601429), (811, 260458), (1622, 130229), (8921, 23678), (11839, 17842)]