16196905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 20021760

約数和(自身を除く): 3824855

約数列:

[1, 5, 47, 157, 235, 439, 785, 2195, 7379, 20633, 36895, 68923, 103165, 344615, 3239381, 16196905]

約数ペア:

[(1, 16196905), (5, 3239381), (47, 344615), (157, 103165), (235, 68923), (439, 36895), (785, 20633), (2195, 7379)]