158978981

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 189987840

約数和(自身を除く): 31008859

約数列:

[1, 7, 49, 59, 127, 413, 433, 889, 2891, 3031, 6223, 7493, 21217, 25547, 52451, 54991, 178829, 367157, 384937, 1251803, 2694559, 3244469, 22711283, 158978981]

約数ペア:

[(1, 158978981), (7, 22711283), (49, 3244469), (59, 2694559), (127, 1251803), (413, 384937), (433, 367157), (889, 178829), (2891, 54991), (3031, 52451), (6223, 25547), (7493, 21217)]