209271172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{34217}}^1$

素因数の和:34371

約数の個数: 24

約数和(自身を含む): 402403680

約数和(自身を除く): 193132508

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 6116, 34217, 68434, 136868, 376387, 752774, 1505548, 4756163, 9512326, 19024652, 52317793, 104635586, 209271172]

約数ペア:

[(1, 209271172), (2, 104635586), (4, 52317793), (11, 19024652), (22, 9512326), (44, 4756163), (139, 1505548), (278, 752774), (556, 376387), (1529, 136868), (3058, 68434), (6116, 34217)]