261183994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{19471}}^1$

素因数の和:19845

約数の個数: 16

約数和(自身を含む): 413585280

約数和(自身を除く): 152401286

約数列:

[1, 2, 19, 38, 353, 706, 6707, 13414, 19471, 38942, 369949, 739898, 6873263, 13746526, 130591997, 261183994]

約数ペア:

[(1, 261183994), (2, 130591997), (19, 13746526), (38, 6873263), (353, 739898), (706, 369949), (6707, 38942), (13414, 19471)]