31281866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10691}}^1$

素因数の和:10730

約数の個数: 32

約数和(自身を含む): 61585920

約数和(自身を除く): 30304054

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 10691, 21382, 74837, 117601, 149674, 203129, 235202, 406258, 823207, 1421903, 1646414, 2234419, 2843806, 4468838, 15640933, 31281866]

約数ペア:

[(1, 31281866), (2, 15640933), (7, 4468838), (11, 2843806), (14, 2234419), (19, 1646414), (22, 1421903), (38, 823207), (77, 406258), (133, 235202), (154, 203129), (209, 149674), (266, 117601), (418, 74837), (1463, 21382), (2926, 10691)]