81310658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 153280512

約数和(自身を除く): 71969854

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 47, 94, 143, 253, 263, 286, 299, 506, 517, 526, 598, 611, 1034, 1081, 1222, 2162, 2893, 3289, 3419, 5786, 6049, 6578, 6721, 6838, 11891, 12098, 12361, 13442, 14053, 23782, 24722, 28106, 37609, 66539, 75218, 78637, 133078, 135971, 154583, 157274, 160693, 271942, 284303, 309166, 321386, 568606, 865007, 1730014, 1767623, 3127333, 3535246, 3695939, 6254666, 7391878, 40655329, 81310658]

約数ペア:

[(1, 81310658), (2, 40655329), (11, 7391878), (13, 6254666), (22, 3695939), (23, 3535246), (26, 3127333), (46, 1767623), (47, 1730014), (94, 865007), (143, 568606), (253, 321386), (263, 309166), (286, 284303), (299, 271942), (506, 160693), (517, 157274), (526, 154583), (598, 135971), (611, 133078), (1034, 78637), (1081, 75218), (1222, 66539), (2162, 37609), (2893, 28106), (3289, 24722), (3419, 23782), (5786, 14053), (6049, 13442), (6578, 12361), (6721, 12098), (6838, 11891)]