128545459

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{8971}}^1$

素因数の和:9090

約数の個数: 16

約数和(自身を含む): 155036160

約数和(自身を除く): 26490701

約数列:

[1, 7, 23, 89, 161, 623, 2047, 8971, 14329, 62797, 206333, 798419, 1444331, 5588933, 18363637, 128545459]

約数ペア:

[(1, 128545459), (7, 18363637), (23, 5588933), (89, 1444331), (161, 798419), (623, 206333), (2047, 62797), (8971, 14329)]