209886385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 273030912

約数和(自身を除く): 63144527

約数列:

[1, 5, 23, 37, 107, 115, 185, 461, 535, 851, 2305, 2461, 3959, 4255, 10603, 12305, 17057, 19795, 49327, 53015, 85285, 91057, 246635, 392311, 455285, 1134521, 1825099, 1961555, 5672605, 9125495, 41977277, 209886385]

約数ペア:

[(1, 209886385), (5, 41977277), (23, 9125495), (37, 5672605), (107, 1961555), (115, 1825099), (185, 1134521), (461, 455285), (535, 392311), (851, 246635), (2305, 91057), (2461, 85285), (3959, 53015), (4255, 49327), (10603, 19795), (12305, 17057)]