1393931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 1782528

約数和(自身を除く): 388597

約数列:

[1, 7, 11, 43, 77, 301, 421, 473, 2947, 3311, 4631, 18103, 32417, 126721, 199133, 1393931]

約数ペア:

[(1, 1393931), (7, 199133), (11, 126721), (43, 32417), (77, 18103), (301, 4631), (421, 3311), (473, 2947)]