64471351

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 80369664

約数和(自身を除く): 15898313

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 823, 2527, 4123, 5761, 11191, 15637, 25513, 78337, 109459, 178591, 297103, 484747, 2079721, 3393229, 9210193, 64471351]

約数ペア:

[(1, 64471351), (7, 9210193), (19, 3393229), (31, 2079721), (133, 484747), (217, 297103), (361, 178591), (589, 109459), (823, 78337), (2527, 25513), (4123, 15637), (5761, 11191)]