289386448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1391281}}^1$

素因数の和:1391302

約数の個数: 20

約数和(自身を含む): 603816388

約数和(自身を除く): 314429940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1391281, 2782562, 5565124, 11130248, 18086653, 22260496, 36173306, 72346612, 144693224, 289386448]

約数ペア:

[(1, 289386448), (2, 144693224), (4, 72346612), (8, 36173306), (13, 22260496), (16, 18086653), (26, 11130248), (52, 5565124), (104, 2782562), (208, 1391281)]