256486263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409069}}^1$

素因数の和:409102

約数の個数: 16

約数和(自身を含む): 392707200

約数和(自身を除く): 136220937

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 409069, 1227207, 4499759, 7772311, 13499277, 23316933, 85495421, 256486263]

約数ペア:

[(1, 256486263), (3, 85495421), (11, 23316933), (19, 13499277), (33, 7772311), (57, 4499759), (209, 1227207), (627, 409069)]