28720230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12433}}^1$

素因数の和:12461

約数の個数: 64

約数和(自身を含む): 85943808

約数和(自身を除く): 57223578

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 12433, 24866, 37299, 62165, 74598, 87031, 124330, 136763, 174062, 186495, 261093, 273526, 372990, 410289, 435155, 522186, 683815, 820578, 870310, 957341, 1305465, 1367630, 1914682, 2051445, 2610930, 2872023, 4102890, 4786705, 5744046, 9573410, 14360115, 28720230]

約数ペア:

[(1, 28720230), (2, 14360115), (3, 9573410), (5, 5744046), (6, 4786705), (7, 4102890), (10, 2872023), (11, 2610930), (14, 2051445), (15, 1914682), (21, 1367630), (22, 1305465), (30, 957341), (33, 870310), (35, 820578), (42, 683815), (55, 522186), (66, 435155), (70, 410289), (77, 372990), (105, 273526), (110, 261093), (154, 186495), (165, 174062), (210, 136763), (231, 124330), (330, 87031), (385, 74598), (462, 62165), (770, 37299), (1155, 24866), (2310, 12433)]