128400965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{30319}}^1$

素因数の和:30353

約数の個数: 24

約数和(自身を含む): 193562880

約数和(自身を除く): 65161915

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 30319, 151595, 212233, 333509, 1061165, 1667545, 2334563, 3668599, 11672815, 18342995, 25680193, 128400965]

約数ペア:

[(1, 128400965), (5, 25680193), (7, 18342995), (11, 11672815), (35, 3668599), (55, 2334563), (77, 1667545), (121, 1061165), (385, 333509), (605, 212233), (847, 151595), (4235, 30319)]