257053438

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{2539}}^1$

素因数の和:2991

約数の個数: 16

約数和(自身を含む): 389168640

約数和(自身を除く): 132115202

約数列:

[1, 2, 223, 227, 446, 454, 2539, 5078, 50621, 101242, 566197, 576353, 1132394, 1152706, 128526719, 257053438]

約数ペア:

[(1, 257053438), (2, 128526719), (223, 1152706), (227, 1132394), (446, 576353), (454, 566197), (2539, 101242), (5078, 50621)]