201721980095

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1\times {\mathrm{876233}}^1$

素因数の和:877402

約数の個数: 16

約数和(自身を含む): 248191528032

約数和(自身を除く): 46469547937

約数列:

[1, 5, 41, 205, 1123, 5615, 46043, 230215, 876233, 4381165, 35925553, 179627765, 984009659, 4920048295, 40344396019, 201721980095]

約数ペア:

[(1, 201721980095), (5, 40344396019), (41, 4920048295), (205, 984009659), (1123, 179627765), (5615, 35925553), (46043, 4381165), (230215, 876233)]