28558998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 69398784

約数和(自身を除く): 40839786

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 127, 186, 234, 254, 279, 381, 403, 558, 762, 806, 961, 1143, 1209, 1651, 1922, 2286, 2418, 2883, 3302, 3627, 3937, 4953, 5766, 7254, 7874, 8649, 9906, 11811, 12493, 14859, 17298, 23622, 24986, 29718, 35433, 37479, 51181, 70866, 74958, 102362, 112437, 122047, 153543, 224874, 244094, 307086, 366141, 460629, 732282, 921258, 1098423, 1586611, 2196846, 3173222, 4759833, 9519666, 14279499, 28558998]

約数ペア:

[(1, 28558998), (2, 14279499), (3, 9519666), (6, 4759833), (9, 3173222), (13, 2196846), (18, 1586611), (26, 1098423), (31, 921258), (39, 732282), (62, 460629), (78, 366141), (93, 307086), (117, 244094), (127, 224874), (186, 153543), (234, 122047), (254, 112437), (279, 102362), (381, 74958), (403, 70866), (558, 51181), (762, 37479), (806, 35433), (961, 29718), (1143, 24986), (1209, 23622), (1651, 17298), (1922, 14859), (2286, 12493), (2418, 11811), (2883, 9906), (3302, 8649), (3627, 7874), (3937, 7254), (4953, 5766)]