39942938

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{9941}}^1$

素因数の和:9998

約数の個数: 24

約数和(自身を含む): 71403444

約数和(自身を除く): 31460506

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 9941, 19882, 69587, 139174, 407581, 487109, 815162, 974218, 2853067, 5706134, 19971469, 39942938]

約数ペア:

[(1, 39942938), (2, 19971469), (7, 5706134), (14, 2853067), (41, 974218), (49, 815162), (82, 487109), (98, 407581), (287, 139174), (574, 69587), (2009, 19882), (4018, 9941)]