25790739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 38789184

約数和(自身を除く): 12998445

約数列:

[1, 3, 13, 37, 39, 61, 111, 183, 293, 481, 793, 879, 1443, 2257, 2379, 3809, 6771, 10841, 11427, 17873, 29341, 32523, 53619, 88023, 140933, 232349, 422799, 661301, 697047, 1983903, 8596913, 25790739]

約数ペア:

[(1, 25790739), (3, 8596913), (13, 1983903), (37, 697047), (39, 661301), (61, 422799), (111, 232349), (183, 140933), (293, 88023), (481, 53619), (793, 32523), (879, 29341), (1443, 17873), (2257, 11427), (2379, 10841), (3809, 6771)]