257007674

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{20107}}^1$

素因数の和:20210

約数の個数: 32

約数和(自身を含む): 486452736

約数和(自身を除く): 229445062

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 581, 913, 1162, 1826, 6391, 12782, 20107, 40214, 140749, 221177, 281498, 442354, 1548239, 1668881, 3096478, 3337762, 11682167, 18357691, 23364334, 36715382, 128503837, 257007674]

約数ペア:

[(1, 257007674), (2, 128503837), (7, 36715382), (11, 23364334), (14, 18357691), (22, 11682167), (77, 3337762), (83, 3096478), (154, 1668881), (166, 1548239), (581, 442354), (913, 281498), (1162, 221177), (1826, 140749), (6391, 40214), (12782, 20107)]