209905670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1614659}}^1$

素因数の和:1614679

約数の個数: 16

約数和(自身を含む): 406894320

約数和(自身を除く): 196988650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1614659, 3229318, 8073295, 16146590, 20990567, 41981134, 104952835, 209905670]

約数ペア:

[(1, 209905670), (2, 104952835), (5, 41981134), (10, 20990567), (13, 16146590), (26, 8073295), (65, 3229318), (130, 1614659)]