28465439905

素因数分解:

$5^1\times 7^2\times {\mathrm{887}}^1\times {\mathrm{130987}}^1$

素因数の和:131893

約数の個数: 24

約数和(自身を含む): 39780531648

約数和(自身を除く): 11315091743

約数列:

[1, 5, 7, 35, 49, 245, 887, 4435, 6209, 31045, 43463, 130987, 217315, 654935, 916909, 4584545, 6418363, 32091815, 116185469, 580927345, 813298283, 4066491415, 5693087981, 28465439905]

約数ペア:

[(1, 28465439905), (5, 5693087981), (7, 4066491415), (35, 813298283), (49, 580927345), (245, 116185469), (887, 32091815), (4435, 6418363), (6209, 4584545), (31045, 916909), (43463, 654935), (130987, 217315)]