640787941

素因数分解:

${\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 672585408

約数和(自身を除く): 31797467

約数列:

[1, 37, 73, 131, 1811, 2701, 4847, 9563, 67007, 132203, 237241, 353831, 4891511, 8777917, 17318593, 640787941]

約数ペア:

[(1, 640787941), (37, 17318593), (73, 8777917), (131, 4891511), (1811, 353831), (2701, 237241), (4847, 132203), (9563, 67007)]