257688612

素因数分解:

$2^2\times 3^2\times {\mathrm{7158017}}^1$

素因数の和:7158027

約数の個数: 18

約数和(自身を含む): 651379638

約数和(自身を除く): 393691026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7158017, 14316034, 21474051, 28632068, 42948102, 64422153, 85896204, 128844306, 257688612]

約数ペア:

[(1, 257688612), (2, 128844306), (3, 85896204), (4, 64422153), (6, 42948102), (9, 28632068), (12, 21474051), (18, 14316034), (36, 7158017)]