9978892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 12035828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 179, 181, 308, 358, 362, 716, 724, 1253, 1267, 1969, 1991, 2506, 2534, 3938, 3982, 5012, 5068, 7876, 7964, 13783, 13937, 27566, 27874, 32399, 55132, 55748, 64798, 129596, 226793, 356389, 453586, 712778, 907172, 1425556, 2494723, 4989446, 9978892]

約数ペア:

[(1, 9978892), (2, 4989446), (4, 2494723), (7, 1425556), (11, 907172), (14, 712778), (22, 453586), (28, 356389), (44, 226793), (77, 129596), (154, 64798), (179, 55748), (181, 55132), (308, 32399), (358, 27874), (362, 27566), (716, 13937), (724, 13783), (1253, 7964), (1267, 7876), (1969, 5068), (1991, 5012), (2506, 3982), (2534, 3938)]