408040868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{11789}}^1$

素因数の和:12319

約数の個数: 24

約数和(自身を含む): 757625400

約数和(自身を除く): 349584532

約数列:

[1, 2, 4, 17, 34, 68, 509, 1018, 2036, 8653, 11789, 17306, 23578, 34612, 47156, 200413, 400826, 801652, 6000601, 12001202, 24002404, 102010217, 204020434, 408040868]

約数ペア:

[(1, 408040868), (2, 204020434), (4, 102010217), (17, 24002404), (34, 12001202), (68, 6000601), (509, 801652), (1018, 400826), (2036, 200413), (8653, 47156), (11789, 34612), (17306, 23578)]