205954568

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{122011}}^1$

素因数の和:122228

約数の個数: 16

約数和(自身を含む): 387998160

約数和(自身を除く): 182043592

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 122011, 244022, 488044, 976088, 25744321, 51488642, 102977284, 205954568]

約数ペア:

[(1, 205954568), (2, 102977284), (4, 51488642), (8, 25744321), (211, 976088), (422, 488044), (844, 244022), (1688, 122011)]