206328044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{305219}}^1$

素因数の和:305249

約数の個数: 18

約数和(自身を含む): 390986820

約数和(自身を除く): 184658776

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 305219, 610438, 1220876, 3967847, 7935694, 15871388, 51582011, 103164022, 206328044]

約数ペア:

[(1, 206328044), (2, 103164022), (4, 51582011), (13, 15871388), (26, 7935694), (52, 3967847), (169, 1220876), (338, 610438), (676, 305219)]