351985487

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 424478208

約数和(自身を除く): 72492721

約数列:

[1, 7, 43, 73, 83, 193, 301, 511, 581, 1351, 3139, 3569, 6059, 8299, 14089, 16019, 21973, 24983, 42413, 58093, 98623, 112133, 260537, 605827, 688817, 1169387, 1823759, 4240789, 4821719, 8185709, 50283641, 351985487]

約数ペア:

[(1, 351985487), (7, 50283641), (43, 8185709), (73, 4821719), (83, 4240789), (193, 1823759), (301, 1169387), (511, 688817), (581, 605827), (1351, 260537), (3139, 112133), (3569, 98623), (6059, 58093), (8299, 42413), (14089, 24983), (16019, 21973)]