221868241

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 279936000

約数和(自身を除く): 58067759

約数列:

[1, 7, 17, 29, 119, 203, 239, 269, 493, 1673, 1883, 3451, 4063, 4573, 6931, 7801, 28441, 32011, 48517, 54607, 64291, 117827, 132617, 450037, 824789, 928319, 1092947, 1864439, 7650629, 13051073, 31695463, 221868241]

約数ペア:

[(1, 221868241), (7, 31695463), (17, 13051073), (29, 7650629), (119, 1864439), (203, 1092947), (239, 928319), (269, 824789), (493, 450037), (1673, 132617), (1883, 117827), (3451, 64291), (4063, 54607), (4573, 48517), (6931, 32011), (7801, 28441)]