257156722669

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1\times {\mathrm{14797}}^1$

素因数の和:16538

約数の個数: 48

約数和(自身を含む): 343737414720

約数和(自身を除く): 86580692051

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 1697, 10241, 11879, 14797, 18667, 32243, 83153, 103579, 130669, 162767, 225701, 281143, 354673, 725053, 914683, 1139369, 1579907, 1968001, 2482711, 3092573, 7975583, 13776007, 17378977, 21648011, 25110509, 151536077, 175773563, 276215599, 477099671, 1230414941, 1933509193, 3339697697, 5248096381, 13534564351, 23377883879, 36736674667, 257156722669]

約数ペア:

[(1, 257156722669), (7, 36736674667), (11, 23377883879), (19, 13534564351), (49, 5248096381), (77, 3339697697), (133, 1933509193), (209, 1230414941), (539, 477099671), (931, 276215599), (1463, 175773563), (1697, 151536077), (10241, 25110509), (11879, 21648011), (14797, 17378977), (18667, 13776007), (32243, 7975583), (83153, 3092573), (103579, 2482711), (130669, 1968001), (162767, 1579907), (225701, 1139369), (281143, 914683), (354673, 725053)]