247265998

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{4441}}^1$

素因数の和:4588

約数の個数: 32

約数和(自身を含む): 438798528

約数和(自身を除く): 191532530

約数列:

[1, 2, 7, 14, 41, 82, 97, 194, 287, 574, 679, 1358, 3977, 4441, 7954, 8882, 27839, 31087, 55678, 62174, 182081, 364162, 430777, 861554, 1274567, 2549134, 3015439, 6030878, 17661857, 35323714, 123632999, 247265998]

約数ペア:

[(1, 247265998), (2, 123632999), (7, 35323714), (14, 17661857), (41, 6030878), (82, 3015439), (97, 2549134), (194, 1274567), (287, 861554), (574, 430777), (679, 364162), (1358, 182081), (3977, 62174), (4441, 55678), (7954, 31087), (8882, 27839)]