256436206257

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3841223}}^1$

素因数の和:3841278

約数の個数: 48

約数和(自身を含む): 452834214912

約数和(自身を除く): 196398008655

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 289, 357, 561, 867, 1309, 2023, 3179, 3927, 6069, 9537, 22253, 66759, 3841223, 11523669, 26888561, 42253453, 65300791, 80665683, 126760359, 195902373, 295774171, 457105537, 718308701, 887322513, 1110113447, 1371316611, 2154926103, 3330340341, 5028160907, 7770794129, 12211247917, 15084482721, 23312382387, 36633743751, 85478735419, 256436206257]

約数ペア:

[(1, 256436206257), (3, 85478735419), (7, 36633743751), (11, 23312382387), (17, 15084482721), (21, 12211247917), (33, 7770794129), (51, 5028160907), (77, 3330340341), (119, 2154926103), (187, 1371316611), (231, 1110113447), (289, 887322513), (357, 718308701), (561, 457105537), (867, 295774171), (1309, 195902373), (2023, 126760359), (3179, 80665683), (3927, 65300791), (6069, 42253453), (9537, 26888561), (22253, 11523669), (66759, 3841223)]