641166001

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{7451}}^1$

素因数の和:8124

約数の個数: 16

約数和(自身を含む): 772623360

約数和(自身を除く): 131457359

約数列:

[1, 7, 19, 133, 647, 4529, 7451, 12293, 52157, 86051, 141569, 990983, 4820797, 33745579, 91595143, 641166001]

約数ペア:

[(1, 641166001), (7, 91595143), (19, 33745579), (133, 4820797), (647, 990983), (4529, 141569), (7451, 86051), (12293, 52157)]