208520711

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{5227}}^1$

素因数の和:5414

約数の個数: 16

約数和(自身を含む): 245925120

約数和(自身を除く): 37404409

約数列:

[1, 7, 41, 139, 287, 973, 5227, 5699, 36589, 39893, 214307, 726553, 1500149, 5085871, 29788673, 208520711]

約数ペア:

[(1, 208520711), (7, 29788673), (41, 5085871), (139, 1500149), (287, 726553), (973, 214307), (5227, 39893), (5699, 36589)]