86838409

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 108527616

約数和(自身を除く): 21689207

約数列:

[1, 7, 23, 31, 127, 137, 161, 217, 713, 889, 959, 2921, 3151, 3937, 4247, 4991, 17399, 20447, 22057, 27559, 29729, 90551, 97681, 121793, 400177, 539369, 633857, 683767, 2801239, 3775583, 12405487, 86838409]

約数ペア:

[(1, 86838409), (7, 12405487), (23, 3775583), (31, 2801239), (127, 683767), (137, 633857), (161, 539369), (217, 400177), (713, 121793), (889, 97681), (959, 90551), (2921, 29729), (3151, 27559), (3937, 22057), (4247, 20447), (4991, 17399)]