128807756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{418207}}^1$

素因数の和:418229

約数の個数: 24

約数和(自身を含む): 281035776

約数和(自身を除く): 152228020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 418207, 836414, 1672828, 2927449, 4600277, 5854898, 9200554, 11709796, 18401108, 32201939, 64403878, 128807756]

約数ペア:

[(1, 128807756), (2, 64403878), (4, 32201939), (7, 18401108), (11, 11709796), (14, 9200554), (22, 5854898), (28, 4600277), (44, 2927449), (77, 1672828), (154, 836414), (308, 418207)]