220171973

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{13729}}^1$

素因数の和:13844

約数の個数: 16

約数和(自身を含む): 263616000

約数和(自身を除く): 43444027

約数列:

[1, 7, 29, 79, 203, 553, 2291, 13729, 16037, 96103, 398141, 1084591, 2786987, 7592137, 31453139, 220171973]

約数ペア:

[(1, 220171973), (7, 31453139), (29, 7592137), (79, 2786987), (203, 1084591), (553, 398141), (2291, 96103), (13729, 16037)]