81610884

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{42773}}^1$

素因数の和:42836

約数の個数: 36

約数和(自身を含む): 210191436

約数和(自身を除く): 128580552

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 42773, 85546, 128319, 171092, 256638, 384957, 513276, 769914, 1539828, 2266969, 4533938, 6800907, 9067876, 13601814, 20402721, 27203628, 40805442, 81610884]

約数ペア:

[(1, 81610884), (2, 40805442), (3, 27203628), (4, 20402721), (6, 13601814), (9, 9067876), (12, 6800907), (18, 4533938), (36, 2266969), (53, 1539828), (106, 769914), (159, 513276), (212, 384957), (318, 256638), (477, 171092), (636, 128319), (954, 85546), (1908, 42773)]