128587966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{290923}}^1$

素因数の和:290955

約数の個数: 16

約数和(自身を含む): 219938544

約数和(自身を除く): 91350578

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 290923, 581846, 3781999, 4945691, 7563998, 9891382, 64293983, 128587966]

約数ペア:

[(1, 128587966), (2, 64293983), (13, 9891382), (17, 7563998), (26, 4945691), (34, 3781999), (221, 581846), (442, 290923)]