27980806

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2843}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 51874560

約数和(自身を除く): 23893754

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2843, 4921, 5686, 9842, 19901, 39802, 54017, 105191, 108034, 210382, 378119, 736337, 756238, 1472674, 1998629, 3997258, 13990403, 27980806]

約数ペア:

[(1, 27980806), (2, 13990403), (7, 3997258), (14, 1998629), (19, 1472674), (37, 756238), (38, 736337), (74, 378119), (133, 210382), (259, 108034), (266, 105191), (518, 54017), (703, 39802), (1406, 19901), (2843, 9842), (4921, 5686)]