2658448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12802

約数の個数: 20

約数和(自身を含む): 5547388

約数和(自身を除く): 2888940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 12781, 25562, 51124, 102248, 166153, 204496, 332306, 664612, 1329224, 2658448]

約数ペア:

[(1, 2658448), (2, 1329224), (4, 664612), (8, 332306), (13, 204496), (16, 166153), (26, 102248), (52, 51124), (104, 25562), (208, 12781)]