15905008

素因数分解:

$2^4\times 7^2\times {\mathrm{20287}}^1$

素因数の和:20309

約数の個数: 30

約数和(自身を含む): 35848896

約数和(自身を除く): 19943888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 20287, 40574, 81148, 142009, 162296, 284018, 324592, 568036, 994063, 1136072, 1988126, 2272144, 3976252, 7952504, 15905008]

約数ペア:

[(1, 15905008), (2, 7952504), (4, 3976252), (7, 2272144), (8, 1988126), (14, 1136072), (16, 994063), (28, 568036), (49, 324592), (56, 284018), (98, 162296), (112, 142009), (196, 81148), (392, 40574), (784, 20287)]