399880708

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{757}}^1\times {\mathrm{3221}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 718029144

約数和(自身を除く): 318148436

約数列:

[1, 2, 4, 41, 82, 164, 757, 1514, 3028, 3221, 6442, 12884, 31037, 62074, 124148, 132061, 264122, 528244, 2438297, 4876594, 9753188, 99970177, 199940354, 399880708]

約数ペア:

[(1, 399880708), (2, 199940354), (4, 99970177), (41, 9753188), (82, 4876594), (164, 2438297), (757, 528244), (1514, 264122), (3028, 132061), (3221, 124148), (6442, 62074), (12884, 31037)]