209400164090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1610770493}}^1$

素因数の和:1610770513

約数の個数: 16

約数和(自身を含む): 405914164488

約数和(自身を除く): 196514000398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1610770493, 3221540986, 8053852465, 16107704930, 20940016409, 41880032818, 104700082045, 209400164090]

約数ペア:

[(1, 209400164090), (2, 104700082045), (5, 41880032818), (10, 20940016409), (13, 16107704930), (26, 8053852465), (65, 3221540986), (130, 1610770493)]