198403957

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{911}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 219843072

約数和(自身を除く): 21439115

約数列:

[1, 17, 23, 391, 557, 911, 9469, 12811, 15487, 20953, 217787, 356201, 507427, 8626259, 11670821, 198403957]

約数ペア:

[(1, 198403957), (17, 11670821), (23, 8626259), (391, 507427), (557, 356201), (911, 217787), (9469, 20953), (12811, 15487)]