25221865

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 31413888

約数和(自身を除く): 6192023

約数列:

[1, 5, 43, 73, 215, 365, 1607, 3139, 8035, 15695, 69101, 117311, 345505, 586555, 5044373, 25221865]

約数ペア:

[(1, 25221865), (5, 5044373), (43, 586555), (73, 345505), (215, 117311), (365, 69101), (1607, 15695), (3139, 8035)]