28850549

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 37196544

約数和(自身を除く): 8345995

約数列:

[1, 7, 13, 43, 73, 91, 101, 301, 511, 559, 707, 949, 1313, 3139, 3913, 4343, 6643, 7373, 9191, 21973, 30401, 40807, 51611, 56459, 95849, 285649, 317039, 395213, 670943, 2219273, 4121507, 28850549]

約数ペア:

[(1, 28850549), (7, 4121507), (13, 2219273), (43, 670943), (73, 395213), (91, 317039), (101, 285649), (301, 95849), (511, 56459), (559, 51611), (707, 40807), (949, 30401), (1313, 21973), (3139, 9191), (3913, 7373), (4343, 6643)]