51159647

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 71911680

約数和(自身を除く): 20752033

約数列:

[1, 7, 11, 17, 19, 77, 119, 121, 133, 187, 209, 289, 323, 847, 1309, 1331, 1463, 2023, 2057, 2261, 2299, 3179, 3553, 5491, 9317, 14399, 16093, 22253, 22627, 24871, 25289, 34969, 38437, 39083, 60401, 158389, 177023, 244783, 273581, 384659, 422807, 429913, 664411, 2692613, 3009391, 4650877, 7308521, 51159647]

約数ペア:

[(1, 51159647), (7, 7308521), (11, 4650877), (17, 3009391), (19, 2692613), (77, 664411), (119, 429913), (121, 422807), (133, 384659), (187, 273581), (209, 244783), (289, 177023), (323, 158389), (847, 60401), (1309, 39083), (1331, 38437), (1463, 34969), (2023, 25289), (2057, 24871), (2261, 22627), (2299, 22253), (3179, 16093), (3553, 14399), (5491, 9317)]