121721404

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{6719}}^1$

素因数の和:7377

約数の個数: 24

約数和(自身を含む): 243855360

約数和(自身を除く): 122133956

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 4529, 6719, 9058, 13438, 18116, 26876, 47033, 94066, 188132, 4347193, 8694386, 17388772, 30430351, 60860702, 121721404]

約数ペア:

[(1, 121721404), (2, 60860702), (4, 30430351), (7, 17388772), (14, 8694386), (28, 4347193), (647, 188132), (1294, 94066), (2588, 47033), (4529, 26876), (6719, 18116), (9058, 13438)]