264530728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18671}}^1$

素因数の和:18718

約数の個数: 64

約数和(自身を含む): 645304320

約数和(自身を除く): 380773592

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 2024, 3542, 7084, 14168, 18671, 37342, 74684, 130697, 149368, 205381, 261394, 410762, 429433, 522788, 821524, 858866, 1045576, 1437667, 1643048, 1717732, 2875334, 3006031, 3435464, 4723763, 5750668, 6012062, 9447526, 11501336, 12024124, 18895052, 24048248, 33066341, 37790104, 66132682, 132265364, 264530728]

約数ペア:

[(1, 264530728), (2, 132265364), (4, 66132682), (7, 37790104), (8, 33066341), (11, 24048248), (14, 18895052), (22, 12024124), (23, 11501336), (28, 9447526), (44, 6012062), (46, 5750668), (56, 4723763), (77, 3435464), (88, 3006031), (92, 2875334), (154, 1717732), (161, 1643048), (184, 1437667), (253, 1045576), (308, 858866), (322, 821524), (506, 522788), (616, 429433), (644, 410762), (1012, 261394), (1288, 205381), (1771, 149368), (2024, 130697), (3542, 74684), (7084, 37342), (14168, 18671)]