28704258

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4999}}^1$

素因数の和:5047

約数の個数: 48

約数和(自身を含む): 70200000

約数和(自身を除く): 41495742

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 174, 198, 261, 319, 522, 638, 957, 1914, 2871, 4999, 5742, 9998, 14997, 29994, 44991, 54989, 89982, 109978, 144971, 164967, 289942, 329934, 434913, 494901, 869826, 989802, 1304739, 1594681, 2609478, 3189362, 4784043, 9568086, 14352129, 28704258]

約数ペア:

[(1, 28704258), (2, 14352129), (3, 9568086), (6, 4784043), (9, 3189362), (11, 2609478), (18, 1594681), (22, 1304739), (29, 989802), (33, 869826), (58, 494901), (66, 434913), (87, 329934), (99, 289942), (174, 164967), (198, 144971), (261, 109978), (319, 89982), (522, 54989), (638, 44991), (957, 29994), (1914, 14997), (2871, 9998), (4999, 5742)]