28187852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 62415360

約数和(自身を除く): 34227508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1289, 1562, 1988, 2578, 3124, 5156, 5467, 9023, 10934, 14179, 18046, 21868, 28358, 36092, 56716, 91519, 99253, 183038, 198506, 366076, 397012, 640633, 1006709, 1281266, 2013418, 2562532, 4026836, 7046963, 14093926, 28187852]

約数ペア:

[(1, 28187852), (2, 14093926), (4, 7046963), (7, 4026836), (11, 2562532), (14, 2013418), (22, 1281266), (28, 1006709), (44, 640633), (71, 397012), (77, 366076), (142, 198506), (154, 183038), (284, 99253), (308, 91519), (497, 56716), (781, 36092), (994, 28358), (1289, 21868), (1562, 18046), (1988, 14179), (2578, 10934), (3124, 9023), (5156, 5467)]