890243584

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{13691}}^1$

素因数の和:13836

約数の個数: 40

約数和(自身を含む): 1792885248

約数和(自身を除く): 902641664

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 2032, 4064, 8128, 13691, 16256, 27382, 32512, 54764, 65024, 109528, 219056, 438112, 876224, 1738757, 1752448, 3477514, 3504896, 6955028, 7009792, 13910056, 27820112, 55640224, 111280448, 222560896, 445121792, 890243584]

約数ペア:

[(1, 890243584), (2, 445121792), (4, 222560896), (8, 111280448), (16, 55640224), (32, 27820112), (64, 13910056), (127, 7009792), (128, 6955028), (254, 3504896), (256, 3477514), (508, 1752448), (512, 1738757), (1016, 876224), (2032, 438112), (4064, 219056), (8128, 109528), (13691, 65024), (16256, 54764), (27382, 32512)]