78448788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 217308000

約数和(自身を除く): 138859212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 397, 499, 794, 998, 1191, 1497, 1588, 1996, 2382, 2994, 3573, 4367, 4491, 4764, 5489, 5988, 7146, 8734, 8982, 10978, 13101, 14292, 16467, 17468, 17964, 21956, 26202, 32934, 39303, 49401, 52404, 65868, 78606, 98802, 157212, 197604, 198103, 396206, 594309, 792412, 1188618, 1782927, 2179133, 2377236, 3565854, 4358266, 6537399, 7131708, 8716532, 13074798, 19612197, 26149596, 39224394, 78448788]

約数ペア:

[(1, 78448788), (2, 39224394), (3, 26149596), (4, 19612197), (6, 13074798), (9, 8716532), (11, 7131708), (12, 6537399), (18, 4358266), (22, 3565854), (33, 2377236), (36, 2179133), (44, 1782927), (66, 1188618), (99, 792412), (132, 594309), (198, 396206), (396, 198103), (397, 197604), (499, 157212), (794, 98802), (998, 78606), (1191, 65868), (1497, 52404), (1588, 49401), (1996, 39303), (2382, 32934), (2994, 26202), (3573, 21956), (4367, 17964), (4491, 17468), (4764, 16467), (5489, 14292), (5988, 13101), (7146, 10978), (8734, 8982)]