199914910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1537807}}^1$

素因数の和:1537827

約数の個数: 16

約数和(自身を含む): 387527616

約数和(自身を除く): 187612706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1537807, 3075614, 7689035, 15378070, 19991491, 39982982, 99957455, 199914910]

約数ペア:

[(1, 199914910), (2, 99957455), (5, 39982982), (10, 19991491), (13, 15378070), (26, 7689035), (65, 3075614), (130, 1537807)]