321445436

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{475511}}^1$

素因数の和:475541

約数の個数: 18

約数和(自身を含む): 609130872

約数和(自身を除く): 287685436

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 475511, 951022, 1902044, 6181643, 12363286, 24726572, 80361359, 160722718, 321445436]

約数ペア:

[(1, 321445436), (2, 160722718), (4, 80361359), (13, 24726572), (26, 12363286), (52, 6181643), (169, 1902044), (338, 951022), (676, 475511)]