209566090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487363}}^1$

素因数の和:487413

約数の個数: 16

約数和(自身を含む): 385992288

約数和(自身を除く): 176426198

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 487363, 974726, 2436815, 4873630, 20956609, 41913218, 104783045, 209566090]

約数ペア:

[(1, 209566090), (2, 104783045), (5, 41913218), (10, 20956609), (43, 4873630), (86, 2436815), (215, 974726), (430, 487363)]