256462017

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{718381}}^1$

素因数の和:718408

約数の個数: 16

約数和(自身を含む): 413788032

約数和(自身を除く): 157326015

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 718381, 2155143, 5028667, 12212477, 15086001, 36637431, 85487339, 256462017]

約数ペア:

[(1, 256462017), (3, 85487339), (7, 36637431), (17, 15086001), (21, 12212477), (51, 5028667), (119, 2155143), (357, 718381)]