197897188557

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{80741407}}^1$

素因数の和:80741472

約数の個数: 16

約数和(自身を含む): 284209756160

約数和(自身を除く): 86312567603

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 80741407, 242224221, 1534086733, 3471880501, 4602260199, 10415641503, 65965729519, 197897188557]

約数ペア:

[(1, 197897188557), (3, 65965729519), (19, 10415641503), (43, 4602260199), (57, 3471880501), (129, 1534086733), (817, 242224221), (2451, 80741407)]