81457984

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{43889}}^1$

素因数の和:43930

約数の個数: 28

約数和(自身を含む): 167220900

約数和(自身を除く): 85762916

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 43889, 87778, 175556, 351112, 702224, 1272781, 1404448, 2545562, 2808896, 5091124, 10182248, 20364496, 40728992, 81457984]

約数ペア:

[(1, 81457984), (2, 40728992), (4, 20364496), (8, 10182248), (16, 5091124), (29, 2808896), (32, 2545562), (58, 1404448), (64, 1272781), (116, 702224), (232, 351112), (464, 175556), (928, 87778), (1856, 43889)]