64874380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190807}}^1$

素因数の和:190833

約数の個数: 24

約数和(自身を含む): 144250848

約数和(自身を除く): 79376468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190807, 381614, 763228, 954035, 1908070, 3243719, 3816140, 6487438, 12974876, 16218595, 32437190, 64874380]

約数ペア:

[(1, 64874380), (2, 32437190), (4, 16218595), (5, 12974876), (10, 6487438), (17, 3816140), (20, 3243719), (34, 1908070), (68, 954035), (85, 763228), (170, 381614), (340, 190807)]