1668971521

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 2012774400

約数和(自身を除く): 343802879

約数列:

[1, 7, 31, 89, 103, 217, 623, 721, 839, 2759, 3193, 5873, 9167, 19313, 22351, 26009, 64169, 74671, 86417, 182063, 284177, 522697, 604919, 1989239, 2314801, 2678927, 7691113, 16203607, 18752489, 53837791, 238424503, 1668971521]

約数ペア:

[(1, 1668971521), (7, 238424503), (31, 53837791), (89, 18752489), (103, 16203607), (217, 7691113), (623, 2678927), (721, 2314801), (839, 1989239), (2759, 604919), (3193, 522697), (5873, 284177), (9167, 182063), (19313, 86417), (22351, 74671), (26009, 64169)]