40918913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^2$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 51422400

約数和(自身を除く): 10503487

約数列:

[1, 7, 19, 29, 103, 133, 203, 551, 721, 1957, 2987, 3857, 10609, 13699, 20909, 56753, 74263, 201571, 307661, 397271, 1410997, 2153627, 5845559, 40918913]

約数ペア:

[(1, 40918913), (7, 5845559), (19, 2153627), (29, 1410997), (103, 397271), (133, 307661), (203, 201571), (551, 74263), (721, 56753), (1957, 20909), (2987, 13699), (3857, 10609)]