128400838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{6247}}^1$

素因数の和:6531

約数の個数: 16

約数和(自身を含む): 197936640

約数和(自身を除く): 69535802

約数列:

[1, 2, 43, 86, 239, 478, 6247, 10277, 12494, 20554, 268621, 537242, 1493033, 2986066, 64200419, 128400838]

約数ペア:

[(1, 128400838), (2, 64200419), (43, 2986066), (86, 1493033), (239, 537242), (478, 268621), (6247, 20554), (10277, 12494)]