213930101

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 84668299

約数列:

[1, 7, 11, 19, 31, 53, 77, 89, 133, 209, 217, 341, 371, 583, 589, 623, 979, 1007, 1463, 1643, 1691, 2387, 2759, 4081, 4123, 4717, 6479, 6853, 7049, 11077, 11501, 11837, 18073, 18601, 19313, 30349, 31217, 33019, 45353, 51887, 52421, 77539, 89623, 126511, 130207, 146227, 212443, 218519, 343387, 363209, 366947, 576631, 627361, 985853, 1023589, 1608497, 2403709, 2778313, 4036417, 6900971, 11259479, 19448191, 30561443, 213930101]

約数ペア:

[(1, 213930101), (7, 30561443), (11, 19448191), (19, 11259479), (31, 6900971), (53, 4036417), (77, 2778313), (89, 2403709), (133, 1608497), (209, 1023589), (217, 985853), (341, 627361), (371, 576631), (583, 366947), (589, 363209), (623, 343387), (979, 218519), (1007, 212443), (1463, 146227), (1643, 130207), (1691, 126511), (2387, 89623), (2759, 77539), (4081, 52421), (4123, 51887), (4717, 45353), (6479, 33019), (6853, 31217), (7049, 30349), (11077, 19313), (11501, 18601), (11837, 18073)]