207898187

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 253793280

約数和(自身を除く): 45895093

約数列:

[1, 7, 29, 61, 103, 163, 203, 427, 721, 1141, 1769, 2987, 4727, 6283, 9943, 12383, 16789, 20909, 33089, 43981, 69601, 117523, 182207, 288347, 486881, 1024129, 1275449, 2018429, 3408167, 7168903, 29699741, 207898187]

約数ペア:

[(1, 207898187), (7, 29699741), (29, 7168903), (61, 3408167), (103, 2018429), (163, 1275449), (203, 1024129), (427, 486881), (721, 288347), (1141, 182207), (1769, 117523), (2987, 69601), (4727, 43981), (6283, 33089), (9943, 20909), (12383, 16789)]