163949359

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 204374016

約数和(自身を除く): 40424657

約数列:

[1, 7, 23, 31, 107, 161, 217, 307, 713, 749, 2149, 2461, 3317, 4991, 7061, 9517, 17227, 23219, 32849, 49427, 66619, 76291, 218891, 229943, 534037, 755527, 1018319, 1532237, 5288689, 7128233, 23421337, 163949359]

約数ペア:

[(1, 163949359), (7, 23421337), (23, 7128233), (31, 5288689), (107, 1532237), (161, 1018319), (217, 755527), (307, 534037), (713, 229943), (749, 218891), (2149, 76291), (2461, 66619), (3317, 49427), (4991, 32849), (7061, 23219), (9517, 17227)]