206564905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{2293}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 254358720

約数和(自身を除く): 47793815

約数列:

[1, 5, 43, 215, 419, 2095, 2293, 11465, 18017, 90085, 98599, 492995, 960767, 4803835, 41312981, 206564905]

約数ペア:

[(1, 206564905), (5, 41312981), (43, 4803835), (215, 960767), (419, 492995), (2095, 98599), (2293, 90085), (11465, 18017)]