991919018882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{5477}}^1\times {\mathrm{18253}}^1$

素因数の和:23795

約数の個数: 48

約数和(自身を含む): 1675723114296

約数和(自身を除く): 683804095414

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 4961, 5477, 9922, 10954, 18253, 36506, 60247, 120494, 200783, 224557, 401566, 449114, 662717, 748373, 1325434, 1496746, 2208613, 2470127, 4417226, 4940254, 8232103, 16464206, 27171397, 54342794, 90553133, 99971681, 181106266, 199943362, 1099688491, 2199376982, 4098838921, 8197677842, 12096573401, 24193146802, 45087228131, 90174456262, 495959509441, 991919018882]

約数ペア:

[(1, 991919018882), (2, 495959509441), (11, 90174456262), (22, 45087228131), (41, 24193146802), (82, 12096573401), (121, 8197677842), (242, 4098838921), (451, 2199376982), (902, 1099688491), (4961, 199943362), (5477, 181106266), (9922, 99971681), (10954, 90553133), (18253, 54342794), (36506, 27171397), (60247, 16464206), (120494, 8232103), (200783, 4940254), (224557, 4417226), (401566, 2470127), (449114, 2208613), (662717, 1496746), (748373, 1325434)]