27686410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 53479008

約数和(自身を除く): 25792598

約数列:

[1, 2, 5, 10, 31, 43, 62, 67, 86, 134, 155, 215, 310, 335, 430, 670, 961, 1333, 1922, 2077, 2666, 2881, 4154, 4805, 5762, 6665, 9610, 10385, 13330, 14405, 20770, 28810, 41323, 64387, 82646, 89311, 128774, 178622, 206615, 321935, 413230, 446555, 643870, 893110, 2768641, 5537282, 13843205, 27686410]

約数ペア:

[(1, 27686410), (2, 13843205), (5, 5537282), (10, 2768641), (31, 893110), (43, 643870), (62, 446555), (67, 413230), (86, 321935), (134, 206615), (155, 178622), (215, 128774), (310, 89311), (335, 82646), (430, 64387), (670, 41323), (961, 28810), (1333, 20770), (1922, 14405), (2077, 13330), (2666, 10385), (2881, 9610), (4154, 6665), (4805, 5762)]