128435512

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{71993}}^1$

素因数の和:72222

約数の個数: 16

約数和(自身を含む): 241899840

約数和(自身を除く): 113464328

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 71993, 143986, 287972, 575944, 16054439, 32108878, 64217756, 128435512]

約数ペア:

[(1, 128435512), (2, 64217756), (4, 32108878), (8, 16054439), (223, 575944), (446, 287972), (892, 143986), (1784, 71993)]