211566751

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 253870848

約数和(自身を除く): 42304097

約数列:

[1, 11, 17, 43, 83, 187, 317, 473, 731, 913, 1411, 3487, 3569, 5389, 8041, 13631, 15521, 26311, 39259, 59279, 60673, 149941, 231727, 289421, 447287, 667403, 1131373, 2548997, 4920157, 12445103, 19233341, 211566751]

約数ペア:

[(1, 211566751), (11, 19233341), (17, 12445103), (43, 4920157), (83, 2548997), (187, 1131373), (317, 667403), (473, 447287), (731, 289421), (913, 231727), (1411, 149941), (3487, 60673), (3569, 59279), (5389, 39259), (8041, 26311), (13631, 15521)]