2011559921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{29819}}^1$

素因数の和:30268

約数の個数: 16

約数和(自身を含む): 2404684800

約数和(自身を除く): 393124879

約数列:

[1, 7, 23, 161, 419, 2933, 9637, 29819, 67459, 208733, 685837, 4800859, 12494161, 87459127, 287365703, 2011559921]

約数ペア:

[(1, 2011559921), (7, 287365703), (23, 87459127), (161, 12494161), (419, 4800859), (2933, 685837), (9637, 208733), (29819, 67459)]