38916563

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 47545344

約数和(自身を除く): 8628781

約数列:

[1, 7, 31, 37, 131, 217, 259, 917, 1147, 1369, 4061, 4847, 8029, 9583, 28427, 33929, 42439, 150257, 179339, 297073, 1051799, 1255373, 5559509, 38916563]

約数ペア:

[(1, 38916563), (7, 5559509), (31, 1255373), (37, 1051799), (131, 297073), (217, 179339), (259, 150257), (917, 42439), (1147, 33929), (1369, 28427), (4061, 9583), (4847, 8029)]