258305354

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1\times {\mathrm{4243}}^1$

素因数の和:4805

約数の個数: 16

約数和(自身を含む): 394692000

約数和(自身を除く): 136386646

約数列:

[1, 2, 61, 122, 499, 998, 4243, 8486, 30439, 60878, 258823, 517646, 2117257, 4234514, 129152677, 258305354]

約数ペア:

[(1, 258305354), (2, 129152677), (61, 4234514), (122, 2117257), (499, 517646), (998, 258823), (4243, 60878), (8486, 30439)]