209514539

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 242438400

約数和(自身を除く): 32923861

約数列:

[1, 13, 19, 71, 169, 247, 919, 923, 1349, 3211, 11947, 11999, 17461, 17537, 65249, 155311, 226993, 227981, 848237, 1239731, 2950909, 11027081, 16116503, 209514539]

約数ペア:

[(1, 209514539), (13, 16116503), (19, 11027081), (71, 2950909), (169, 1239731), (247, 848237), (919, 227981), (923, 226993), (1349, 155311), (3211, 65249), (11947, 17537), (11999, 17461)]