219272011

素因数分解:

$7^3\times {\mathrm{191}}^1\times {\mathrm{3347}}^1$

素因数の和:3559

約数の個数: 16

約数和(自身を含む): 257126400

約数和(自身を除く): 37854389

約数列:

[1, 7, 49, 191, 343, 1337, 3347, 9359, 23429, 65513, 164003, 639277, 1148021, 4474939, 31324573, 219272011]

約数ペア:

[(1, 219272011), (7, 31324573), (49, 4474939), (191, 1148021), (343, 639277), (1337, 164003), (3347, 65513), (9359, 23429)]