257703604

素因数分解:

$2^2\times {\mathrm{991}}^1\times {\mathrm{65011}}^1$

素因数の和:66006

約数の個数: 12

約数和(自身を含む): 451443328

約数和(自身を除く): 193739724

約数列:

[1, 2, 4, 991, 1982, 3964, 65011, 130022, 260044, 64425901, 128851802, 257703604]

約数ペア:

[(1, 257703604), (2, 128851802), (4, 64425901), (991, 260044), (1982, 130022), (3964, 65011)]