199441627

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^2$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 253483776

約数和(自身を除く): 54042149

約数列:

[1, 7, 11, 71, 77, 191, 497, 781, 1337, 2101, 5467, 13561, 14707, 36481, 94927, 149171, 255367, 401291, 1044197, 2590151, 2809037, 18131057, 28491661, 199441627]

約数ペア:

[(1, 199441627), (7, 28491661), (11, 18131057), (71, 2809037), (77, 2590151), (191, 1044197), (497, 401291), (781, 255367), (1337, 149171), (2101, 94927), (5467, 36481), (13561, 14707)]