131426834

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 255467520

約数和(自身を除く): 124040686

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 89, 154, 178, 223, 301, 446, 473, 602, 623, 946, 979, 1246, 1561, 1958, 2453, 3122, 3311, 3827, 4906, 6622, 6853, 7654, 9589, 13706, 17171, 19178, 19847, 26789, 34342, 39694, 42097, 53578, 67123, 84194, 105479, 134246, 138929, 210958, 218317, 277858, 294679, 436634, 589358, 738353, 853421, 1476706, 1528219, 1706842, 3056438, 5973947, 9387631, 11947894, 18775262, 65713417, 131426834]

約数ペア:

[(1, 131426834), (2, 65713417), (7, 18775262), (11, 11947894), (14, 9387631), (22, 5973947), (43, 3056438), (77, 1706842), (86, 1528219), (89, 1476706), (154, 853421), (178, 738353), (223, 589358), (301, 436634), (446, 294679), (473, 277858), (602, 218317), (623, 210958), (946, 138929), (979, 134246), (1246, 105479), (1561, 84194), (1958, 67123), (2453, 53578), (3122, 42097), (3311, 39694), (3827, 34342), (4906, 26789), (6622, 19847), (6853, 19178), (7654, 17171), (9589, 13706)]