128145956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{5387}}^1$

素因数の和:5723

約数の個数: 24

約数和(自身を含む): 236856480

約数和(自身を除く): 108710524

約数列:

[1, 2, 4, 19, 38, 76, 313, 626, 1252, 5387, 5947, 10774, 11894, 21548, 23788, 102353, 204706, 409412, 1686131, 3372262, 6744524, 32036489, 64072978, 128145956]

約数ペア:

[(1, 128145956), (2, 64072978), (4, 32036489), (19, 6744524), (38, 3372262), (76, 1686131), (313, 409412), (626, 204706), (1252, 102353), (5387, 23788), (5947, 21548), (10774, 11894)]