257942734

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1083793}}^1$

素因数の和:1083819

約数の個数: 16

約数和(自身を含む): 468199008

約数和(自身を除く): 210256274

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1083793, 2167586, 7586551, 15173102, 18424481, 36848962, 128971367, 257942734]

約数ペア:

[(1, 257942734), (2, 128971367), (7, 36848962), (14, 18424481), (17, 15173102), (34, 7586551), (119, 2167586), (238, 1083793)]