28325276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 32961124

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 1439, 2812, 2878, 4921, 5756, 9842, 10073, 19684, 20146, 27341, 40292, 53243, 54682, 106486, 109364, 191387, 212972, 372701, 382774, 745402, 765548, 1011617, 1490804, 2023234, 4046468, 7081319, 14162638, 28325276]

約数ペア:

[(1, 28325276), (2, 14162638), (4, 7081319), (7, 4046468), (14, 2023234), (19, 1490804), (28, 1011617), (37, 765548), (38, 745402), (74, 382774), (76, 372701), (133, 212972), (148, 191387), (259, 109364), (266, 106486), (518, 54682), (532, 53243), (703, 40292), (1036, 27341), (1406, 20146), (1439, 19684), (2812, 10073), (2878, 9842), (4921, 5756)]