855485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 1102464

約数和(自身を除く): 246979

約数列:

[1, 5, 23, 43, 115, 173, 215, 865, 989, 3979, 4945, 7439, 19895, 37195, 171097, 855485]

約数ペア:

[(1, 855485), (5, 171097), (23, 37195), (43, 19895), (115, 7439), (173, 4945), (215, 3979), (865, 989)]