29931517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 10388483

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 451, 499, 779, 1463, 3157, 3493, 5453, 5489, 8569, 9481, 20459, 38423, 59983, 66367, 104291, 143213, 225049, 388721, 730037, 1575343, 2721047, 4275931, 29931517]

約数ペア:

[(1, 29931517), (7, 4275931), (11, 2721047), (19, 1575343), (41, 730037), (77, 388721), (133, 225049), (209, 143213), (287, 104291), (451, 66367), (499, 59983), (779, 38423), (1463, 20459), (3157, 9481), (3493, 8569), (5453, 5489)]