263148548

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{389273}}^1$

素因数の和:389303

約数の個数: 18

約数和(自身を含む): 498659994

約数和(自身を除く): 235511446

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 389273, 778546, 1557092, 5060549, 10121098, 20242196, 65787137, 131574274, 263148548]

約数ペア:

[(1, 263148548), (2, 131574274), (4, 65787137), (13, 20242196), (26, 10121098), (52, 5060549), (169, 1557092), (338, 778546), (676, 389273)]