257463208

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{245671}}^1$

素因数の和:245808

約数の個数: 16

約数和(自身を含む): 486430560

約数和(自身を除く): 228967352

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 245671, 491342, 982684, 1965368, 32182901, 64365802, 128731604, 257463208]

約数ペア:

[(1, 257463208), (2, 128731604), (4, 64365802), (8, 32182901), (131, 1965368), (262, 982684), (524, 491342), (1048, 245671)]