81291364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263933}}^1$

素因数の和:263955

約数の個数: 24

約数和(自身を含む): 177363648

約数和(自身を除く): 96072284

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 263933, 527866, 1055732, 1847531, 2903263, 3695062, 5806526, 7390124, 11613052, 20322841, 40645682, 81291364]

約数ペア:

[(1, 81291364), (2, 40645682), (4, 20322841), (7, 11613052), (11, 7390124), (14, 5806526), (22, 3695062), (28, 2903263), (44, 1847531), (77, 1055732), (154, 527866), (308, 263933)]