639394404846

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{2478272887}}^1$

素因数の和:2478272935

約数の個数: 16

約数和(自身を含む): 1308528084864

約数和(自身を除く): 669133680018

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 2478272887, 4956545774, 7434818661, 14869637322, 106565734141, 213131468282, 319697202423, 639394404846]

約数ペア:

[(1, 639394404846), (2, 319697202423), (3, 213131468282), (6, 106565734141), (43, 14869637322), (86, 7434818661), (129, 4956545774), (258, 2478272887)]