81884005

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 115153920

約数和(自身を除く): 33269915

約数列:

[1, 5, 7, 35, 89, 97, 271, 445, 485, 623, 679, 1355, 1897, 3115, 3395, 8633, 9485, 24119, 26287, 43165, 60431, 120595, 131435, 168833, 184009, 302155, 844165, 920045, 2339543, 11697715, 16376801, 81884005]

約数ペア:

[(1, 81884005), (5, 16376801), (7, 11697715), (35, 2339543), (89, 920045), (97, 844165), (271, 302155), (445, 184009), (485, 168833), (623, 131435), (679, 120595), (1355, 60431), (1897, 43165), (3115, 26287), (3395, 24119), (8633, 9485)]