287385868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49109}}^1$

素因数の和:49150

約数の個数: 48

約数和(自身を含む): 660038400

約数和(自身を除く): 372652532

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 49109, 98218, 196436, 343763, 540199, 687526, 933071, 1080398, 1375052, 1866142, 2160796, 3732284, 3781393, 6531497, 7562786, 10263781, 13062994, 15125572, 20527562, 26125988, 41055124, 71846467, 143692934, 287385868]

約数ペア:

[(1, 287385868), (2, 143692934), (4, 71846467), (7, 41055124), (11, 26125988), (14, 20527562), (19, 15125572), (22, 13062994), (28, 10263781), (38, 7562786), (44, 6531497), (76, 3781393), (77, 3732284), (133, 2160796), (154, 1866142), (209, 1375052), (266, 1080398), (308, 933071), (418, 687526), (532, 540199), (836, 343763), (1463, 196436), (2926, 98218), (5852, 49109)]