257963431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{18451}}^1$

素因数の和:18534

約数の個数: 16

約数和(自身を含む): 297593856

約数和(自身を除く): 39630425

約数列:

[1, 11, 31, 41, 341, 451, 1271, 13981, 18451, 202961, 571981, 756491, 6291791, 8321401, 23451221, 257963431]

約数ペア:

[(1, 257963431), (11, 23451221), (31, 8321401), (41, 6291791), (341, 756491), (451, 571981), (1271, 202961), (13981, 18451)]