291001855

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 370903104

約数和(自身を除く): 79901249

約数列:

[1, 5, 37, 43, 157, 185, 215, 233, 785, 1165, 1591, 5809, 6751, 7955, 8621, 10019, 29045, 33755, 36581, 43105, 50095, 182905, 249787, 370703, 1248935, 1353497, 1572983, 1853515, 6767485, 7864915, 58200371, 291001855]

約数ペア:

[(1, 291001855), (5, 58200371), (37, 7864915), (43, 6767485), (157, 1853515), (185, 1572983), (215, 1353497), (233, 1248935), (785, 370703), (1165, 249787), (1591, 182905), (5809, 50095), (6751, 43105), (7955, 36581), (8621, 33755), (10019, 29045)]