28105847

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 8472457

約数列:

[1, 7, 11, 53, 71, 77, 97, 371, 497, 583, 679, 781, 1067, 3763, 4081, 5141, 5467, 6887, 7469, 26341, 35987, 41393, 48209, 56551, 75757, 289751, 365011, 395857, 530299, 2555077, 4015121, 28105847]

約数ペア:

[(1, 28105847), (7, 4015121), (11, 2555077), (53, 530299), (71, 395857), (77, 365011), (97, 289751), (371, 75757), (497, 56551), (583, 48209), (679, 41393), (781, 35987), (1067, 26341), (3763, 7469), (4081, 6887), (5141, 5467)]