8972390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{18311}}^1$

素因数の和:18332

約数の個数: 24

約数和(自身を含む): 18788112

約数和(自身を除く): 9815722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 18311, 36622, 91555, 128177, 183110, 256354, 640885, 897239, 1281770, 1794478, 4486195, 8972390]

約数ペア:

[(1, 8972390), (2, 4486195), (5, 1794478), (7, 1281770), (10, 897239), (14, 640885), (35, 256354), (49, 183110), (70, 128177), (98, 91555), (245, 36622), (490, 18311)]