40357009

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 14800751

約数列:

[1, 7, 11, 29, 31, 53, 77, 121, 203, 217, 319, 341, 371, 583, 847, 899, 1537, 1643, 2233, 2387, 3509, 3751, 4081, 6293, 6413, 9889, 10759, 11501, 16907, 18073, 24563, 26257, 44891, 47647, 69223, 108779, 118349, 126511, 185977, 198803, 333529, 524117, 761453, 1301839, 1391621, 3668819, 5765287, 40357009]

約数ペア:

[(1, 40357009), (7, 5765287), (11, 3668819), (29, 1391621), (31, 1301839), (53, 761453), (77, 524117), (121, 333529), (203, 198803), (217, 185977), (319, 126511), (341, 118349), (371, 108779), (583, 69223), (847, 47647), (899, 44891), (1537, 26257), (1643, 24563), (2233, 18073), (2387, 16907), (3509, 11501), (3751, 10759), (4081, 9889), (6293, 6413)]