291213925838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{66517571}}^1$

素因数の和:66517783

約数の個数: 16

約数和(自身を含む): 478926518400

約数和(自身を除く): 187712592562

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 66517571, 133035142, 731693281, 1463386562, 13236996629, 26473993258, 145606962919, 291213925838]

約数ペア:

[(1, 291213925838), (2, 145606962919), (11, 26473993258), (22, 13236996629), (199, 1463386562), (398, 731693281), (2189, 133035142), (4378, 66517571)]