1288290421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{268003}}^1$

素因数の和:268056

約数の個数: 16

約数和(自身を含む): 1543703040

約数和(自身を除く): 255412619

約数列:

[1, 11, 19, 23, 209, 253, 437, 4807, 268003, 2948033, 5092057, 6164069, 56012627, 67804759, 117117311, 1288290421]

約数ペア:

[(1, 1288290421), (11, 117117311), (19, 67804759), (23, 56012627), (209, 6164069), (253, 5092057), (437, 2948033), (4807, 268003)]