128161838

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{38303}}^1$

素因数の和:38551

約数の個数: 16

約数和(自身を含む): 220631040

約数和(自身を除く): 92469202

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 38303, 76606, 268121, 536242, 9154417, 18308834, 64080919, 128161838]

約数ペア:

[(1, 128161838), (2, 64080919), (7, 18308834), (14, 9154417), (239, 536242), (478, 268121), (1673, 76606), (3346, 38303)]