642100039

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1\times {\mathrm{3343}}^1$

素因数の和:4566

約数の個数: 16

約数和(自身を含む): 766605312

約数和(自身を除く): 124505273

約数列:

[1, 7, 23, 161, 1193, 3343, 8351, 23401, 27439, 76889, 192073, 538223, 3988199, 27917393, 91728577, 642100039]

約数ペア:

[(1, 642100039), (7, 91728577), (23, 27917393), (161, 3988199), (1193, 538223), (3343, 192073), (8351, 76889), (23401, 27439)]