128434085

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 172306944

約数和(自身を除く): 43872859

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 4903, 5239, 24515, 26195, 63739, 151993, 318695, 759965, 828607, 1975909, 4143035, 9879545, 25686817, 128434085]

約数ペア:

[(1, 128434085), (5, 25686817), (13, 9879545), (31, 4143035), (65, 1975909), (155, 828607), (169, 759965), (403, 318695), (845, 151993), (2015, 63739), (4903, 26195), (5239, 24515)]