201212179

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 257320800

約数和(自身を除く): 56108621

約数列:

[1, 7, 29, 37, 43, 49, 89, 203, 259, 301, 623, 1073, 1247, 1421, 1591, 1813, 2107, 2581, 3293, 3827, 4361, 7511, 8729, 11137, 18067, 23051, 26789, 46139, 52577, 61103, 77959, 95497, 110983, 126469, 141599, 161357, 187523, 322973, 668479, 776881, 991193, 2260811, 4106371, 4679353, 5438167, 6938351, 28744597, 201212179]

約数ペア:

[(1, 201212179), (7, 28744597), (29, 6938351), (37, 5438167), (43, 4679353), (49, 4106371), (89, 2260811), (203, 991193), (259, 776881), (301, 668479), (623, 322973), (1073, 187523), (1247, 161357), (1421, 141599), (1591, 126469), (1813, 110983), (2107, 95497), (2581, 77959), (3293, 61103), (3827, 52577), (4361, 46139), (7511, 26789), (8729, 23051), (11137, 18067)]