128525185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{5381}}^1$

素因数の和:5684

約数の個数: 16

約数和(自身を含む): 163914192

約数和(自身を除く): 35389007

約数列:

[1, 5, 17, 85, 281, 1405, 4777, 5381, 23885, 26905, 91477, 457385, 1512061, 7560305, 25705037, 128525185]

約数ペア:

[(1, 128525185), (5, 25705037), (17, 7560305), (85, 1512061), (281, 457385), (1405, 91477), (4777, 26905), (5381, 23885)]