64708259

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 81881184

約数和(自身を除く): 17172925

約数列:

[1, 7, 11, 77, 121, 241, 317, 847, 1687, 2219, 2651, 3487, 18557, 24409, 29161, 38357, 76397, 204127, 268499, 534779, 840367, 5882569, 9244037, 64708259]

約数ペア:

[(1, 64708259), (7, 9244037), (11, 5882569), (77, 840367), (121, 534779), (241, 268499), (317, 204127), (847, 76397), (1687, 38357), (2219, 29161), (2651, 24409), (3487, 18557)]