256657548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{160813}}^1$

素因数の和:160846

約数の個数: 48

約数和(自身を含む): 720446720

約数和(自身を除く): 463789172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 160813, 321626, 482439, 643252, 964878, 1125691, 1929756, 2251382, 3055447, 3377073, 4502764, 6110894, 6754146, 9166341, 12221788, 13508292, 18332682, 21388129, 36665364, 42776258, 64164387, 85552516, 128328774, 256657548]

約数ペア:

[(1, 256657548), (2, 128328774), (3, 85552516), (4, 64164387), (6, 42776258), (7, 36665364), (12, 21388129), (14, 18332682), (19, 13508292), (21, 12221788), (28, 9166341), (38, 6754146), (42, 6110894), (57, 4502764), (76, 3377073), (84, 3055447), (114, 2251382), (133, 1929756), (228, 1125691), (266, 964878), (399, 643252), (532, 482439), (798, 321626), (1596, 160813)]