256225858

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389401}}^1$

素因数の和:389457

約数の個数: 16

約数和(自身を含む): 448591104

約数和(自身を除く): 192365246

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 389401, 778802, 2725807, 5451614, 18301847, 36603694, 128112929, 256225858]

約数ペア:

[(1, 256225858), (2, 128112929), (7, 36603694), (14, 18301847), (47, 5451614), (94, 2725807), (329, 778802), (658, 389401)]