25866865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3960

約数の個数: 16

約数和(自身を含む): 32795136

約数和(自身を除く): 6928271

約数列:

[1, 5, 31, 43, 155, 215, 1333, 3881, 6665, 19405, 120311, 166883, 601555, 834415, 5173373, 25866865]

約数ペア:

[(1, 25866865), (5, 5173373), (31, 834415), (43, 601555), (155, 166883), (215, 120311), (1333, 19405), (3881, 6665)]