256564239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{67181}}^1$

素因数の和:67270

約数の個数: 16

約数和(自身を含む): 365470080

約数和(自身を除く): 108905841

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 67181, 201543, 1276439, 3829317, 4501127, 13503381, 85521413, 256564239]

約数ペア:

[(1, 256564239), (3, 85521413), (19, 13503381), (57, 4501127), (67, 3829317), (201, 1276439), (1273, 201543), (3819, 67181)]