8641276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 18726400

約数和(自身を除く): 10085124

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 439, 518, 532, 703, 878, 1036, 1406, 1756, 2812, 3073, 4921, 6146, 8341, 9842, 12292, 16243, 16682, 19684, 32486, 33364, 58387, 64972, 113701, 116774, 227402, 233548, 308617, 454804, 617234, 1234468, 2160319, 4320638, 8641276]

約数ペア:

[(1, 8641276), (2, 4320638), (4, 2160319), (7, 1234468), (14, 617234), (19, 454804), (28, 308617), (37, 233548), (38, 227402), (74, 116774), (76, 113701), (133, 64972), (148, 58387), (259, 33364), (266, 32486), (439, 19684), (518, 16682), (532, 16243), (703, 12292), (878, 9842), (1036, 8341), (1406, 6146), (1756, 4921), (2812, 3073)]