80840628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{204143}}^1$

素因数の和:204164

約数の個数: 36

約数和(自身を含む): 222925248

約数和(自身を除く): 142084620

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 204143, 408286, 612429, 816572, 1224858, 1837287, 2245573, 2449716, 3674574, 4491146, 6736719, 7349148, 8982292, 13473438, 20210157, 26946876, 40420314, 80840628]

約数ペア:

[(1, 80840628), (2, 40420314), (3, 26946876), (4, 20210157), (6, 13473438), (9, 8982292), (11, 7349148), (12, 6736719), (18, 4491146), (22, 3674574), (33, 2449716), (36, 2245573), (44, 1837287), (66, 1224858), (99, 816572), (132, 612429), (198, 408286), (396, 204143)]