989800315

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{340723}}^1$

素因数の和:340818

約数の個数: 16

約数和(自身を含む): 1373799168

約数和(自身を除く): 383998853

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 340723, 1703615, 2385061, 11925305, 28280009, 141400045, 197960063, 989800315]

約数ペア:

[(1, 989800315), (5, 197960063), (7, 141400045), (35, 28280009), (83, 11925305), (415, 2385061), (581, 1703615), (2905, 340723)]