205122841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{140207}}^1$

素因数の和:140244

約数の個数: 16

約数和(自身を含む): 269199360

約数和(自身を除く): 64076519

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 140207, 981449, 1542277, 2663933, 10795939, 18647531, 29303263, 205122841]

約数ペア:

[(1, 205122841), (7, 29303263), (11, 18647531), (19, 10795939), (77, 2663933), (133, 1542277), (209, 981449), (1463, 140207)]