420268500002

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1243397929}}^1$

素因数の和:1243397957

約数の個数: 12

約数和(自身を含む): 682625463570

約数和(自身を除く): 262356963568

約数列:

[1, 2, 13, 26, 169, 338, 1243397929, 2486795858, 16164173077, 32328346154, 210134250001, 420268500002]

約数ペア:

[(1, 420268500002), (2, 210134250001), (13, 32328346154), (26, 16164173077), (169, 2486795858), (338, 1243397929)]