128665187

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 149140992

約数和(自身を除く): 20475805

約数列:

[1, 7, 131, 193, 727, 917, 1351, 5089, 25283, 95237, 140311, 176981, 666659, 982177, 18380741, 128665187]

約数ペア:

[(1, 128665187), (7, 18380741), (131, 982177), (193, 666659), (727, 176981), (917, 140311), (1351, 95237), (5089, 25283)]