638631002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{250837}}^1$

素因数の和:250925

約数の個数: 16

約数和(自身を含む): 1023419040

約数和(自身を除く): 384788038

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 250837, 501674, 4765903, 9531806, 16806079, 33612158, 319315501, 638631002]

約数ペア:

[(1, 638631002), (2, 319315501), (19, 33612158), (38, 16806079), (67, 9531806), (134, 4765903), (1273, 501674), (2546, 250837)]