128540768

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{18013}}^1$

素因数の和:18246

約数の個数: 24

約数和(自身を含む): 254213568

約数和(自身を除く): 125672800

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 3568, 7136, 18013, 36026, 72052, 144104, 288208, 576416, 4016899, 8033798, 16067596, 32135192, 64270384, 128540768]

約数ペア:

[(1, 128540768), (2, 64270384), (4, 32135192), (8, 16067596), (16, 8033798), (32, 4016899), (223, 576416), (446, 288208), (892, 144104), (1784, 72052), (3568, 36026), (7136, 18013)]