642796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2087}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 1403136

約数和(自身を除く): 760340

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2087, 4174, 8348, 14609, 22957, 29218, 45914, 58436, 91828, 160699, 321398, 642796]

約数ペア:

[(1, 642796), (2, 321398), (4, 160699), (7, 91828), (11, 58436), (14, 45914), (22, 29218), (28, 22957), (44, 14609), (77, 8348), (154, 4174), (308, 2087)]