189664321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 246631680

約数和(自身を除く): 56967359

約数列:

[1, 7, 11, 29, 77, 157, 203, 319, 541, 1099, 1727, 2233, 3787, 4553, 5951, 12089, 15689, 31871, 41657, 50083, 84937, 109823, 172579, 350581, 594559, 934307, 1208053, 2463173, 6540149, 17242211, 27094903, 189664321]

約数ペア:

[(1, 189664321), (7, 27094903), (11, 17242211), (29, 6540149), (77, 2463173), (157, 1208053), (203, 934307), (319, 594559), (541, 350581), (1099, 172579), (1727, 109823), (2233, 84937), (3787, 50083), (4553, 41657), (5951, 31871), (12089, 15689)]