129629264

素因数分解:

$2^4\times {\mathrm{1997}}^1\times {\mathrm{4057}}^1$

素因数の和:6062

約数の個数: 20

約数和(自身を含む): 251344404

約数和(自身を除く): 121715140

約数列:

[1, 2, 4, 8, 16, 1997, 3994, 4057, 7988, 8114, 15976, 16228, 31952, 32456, 64912, 8101829, 16203658, 32407316, 64814632, 129629264]

約数ペア:

[(1, 129629264), (2, 64814632), (4, 32407316), (8, 16203658), (16, 8101829), (1997, 64912), (3994, 32456), (4057, 31952), (7988, 16228), (8114, 15976)]