15970448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{76781}}^1$

素因数の和:76802

約数の個数: 20

約数和(自身を含む): 33323388

約数和(自身を除く): 17352940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 76781, 153562, 307124, 614248, 998153, 1228496, 1996306, 3992612, 7985224, 15970448]

約数ペア:

[(1, 15970448), (2, 7985224), (4, 3992612), (8, 1996306), (13, 1228496), (16, 998153), (26, 614248), (52, 307124), (104, 153562), (208, 76781)]