208739905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{34819}}^1$

素因数の和:34944

約数の個数: 16

約数和(自身を含む): 275774400

約数和(自身を除く): 67034495

約数列:

[1, 5, 11, 55, 109, 545, 1199, 5995, 34819, 174095, 383009, 1915045, 3795271, 18976355, 41747981, 208739905]

約数ペア:

[(1, 208739905), (5, 41747981), (11, 18976355), (55, 3795271), (109, 1915045), (545, 383009), (1199, 174095), (5995, 34819)]