81291984

素因数分解:

$2^4\times 3^1\times {\mathrm{1693583}}^1$

素因数の和:1693594

約数の個数: 20

約数和(自身を含む): 210004416

約数和(自身を除く): 128712432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1693583, 3387166, 5080749, 6774332, 10161498, 13548664, 20322996, 27097328, 40645992, 81291984]

約数ペア:

[(1, 81291984), (2, 40645992), (3, 27097328), (4, 20322996), (6, 13548664), (8, 10161498), (12, 6774332), (16, 5080749), (24, 3387166), (48, 1693583)]