257642024

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{205129}}^1$

素因数の和:205292

約数の個数: 16

約数和(自身を含む): 486158100

約数和(自身を除く): 228516076

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 205129, 410258, 820516, 1641032, 32205253, 64410506, 128821012, 257642024]

約数ペア:

[(1, 257642024), (2, 128821012), (4, 64410506), (8, 32205253), (157, 1641032), (314, 820516), (628, 410258), (1256, 205129)]