199888910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1537607}}^1$

素因数の和:1537627

約数の個数: 16

約数和(自身を含む): 387477216

約数和(自身を除く): 187588306

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1537607, 3075214, 7688035, 15376070, 19988891, 39977782, 99944455, 199888910]

約数ペア:

[(1, 199888910), (2, 99944455), (5, 39977782), (10, 19988891), (13, 15376070), (26, 7688035), (65, 3075214), (130, 1537607)]