643176002

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1997441}}^1$

素因数の和:1997473

約数の個数: 16

約数和(自身を含む): 1150526592

約数和(自身を除く): 507350590

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1997441, 3994882, 13982087, 27964174, 45941143, 91882286, 321588001, 643176002]

約数ペア:

[(1, 643176002), (2, 321588001), (7, 91882286), (14, 45941143), (23, 27964174), (46, 13982087), (161, 3994882), (322, 1997441)]