128804919838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{400015279}}^1$

素因数の和:400015311

約数の個数: 16

約数和(自身を含む): 230408801280

約数和(自身を除く): 101603881442

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 400015279, 800030558, 2800106953, 5600213906, 9200351417, 18400702834, 64402459919, 128804919838]

約数ペア:

[(1, 128804919838), (2, 64402459919), (7, 18400702834), (14, 9200351417), (23, 5600213906), (46, 2800106953), (161, 800030558), (322, 400015279)]