258021291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19997}}^1$

素因数の和:20051

約数の個数: 32

約数和(自身を含む): 414678528

約数和(自身を除く): 156657237

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 4301, 12903, 19997, 59991, 219967, 339949, 459931, 659901, 1019847, 1379793, 3739439, 5059241, 7818827, 11218317, 15177723, 23456481, 86007097, 258021291]

約数ペア:

[(1, 258021291), (3, 86007097), (11, 23456481), (17, 15177723), (23, 11218317), (33, 7818827), (51, 5059241), (69, 3739439), (187, 1379793), (253, 1019847), (391, 659901), (561, 459931), (759, 339949), (1173, 219967), (4301, 59991), (12903, 19997)]