641040001

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{829}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 766043520

約数和(自身を除く): 125003519

約数列:

[1, 7, 43, 49, 301, 367, 829, 2107, 2569, 5803, 15781, 17983, 35647, 40621, 110467, 249529, 304243, 773269, 1746703, 2129701, 13082449, 14907907, 91577143, 641040001]

約数ペア:

[(1, 641040001), (7, 91577143), (43, 14907907), (49, 13082449), (301, 2129701), (367, 1746703), (829, 773269), (2107, 304243), (2569, 249529), (5803, 110467), (15781, 40621), (17983, 35647)]