205575811

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 249435648

約数和(自身を除く): 43859837

約数列:

[1, 7, 37, 73, 83, 131, 259, 511, 581, 917, 2701, 3071, 4847, 6059, 9563, 10873, 18907, 21497, 33929, 42413, 66941, 76111, 224183, 353831, 402301, 793729, 1569281, 2476817, 2816107, 5556103, 29367973, 205575811]

約数ペア:

[(1, 205575811), (7, 29367973), (37, 5556103), (73, 2816107), (83, 2476817), (131, 1569281), (259, 793729), (511, 402301), (581, 353831), (917, 224183), (2701, 76111), (3071, 66941), (4847, 42413), (6059, 33929), (9563, 21497), (10873, 18907)]