257030982

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 120

約数和(自身を含む): 645942528

約数和(自身を除く): 388911546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 127, 162, 186, 234, 254, 279, 351, 381, 403, 558, 702, 762, 806, 837, 961, 1053, 1143, 1209, 1651, 1674, 1922, 2106, 2286, 2418, 2511, 2883, 3302, 3429, 3627, 3937, 4953, 5022, 5766, 6858, 7254, 7874, 8649, 9906, 10287, 10881, 11811, 12493, 14859, 17298, 20574, 21762, 23622, 24986, 25947, 29718, 32643, 35433, 37479, 44577, 51181, 51894, 65286, 70866, 74958, 77841, 89154, 102362, 106299, 112437, 122047, 133731, 153543, 155682, 212598, 224874, 244094, 267462, 307086, 318897, 337311, 366141, 460629, 637794, 674622, 732282, 921258, 1011933, 1098423, 1381887, 1586611, 2023866, 2196846, 2763774, 3173222, 3295269, 4145661, 4759833, 6590538, 8291322, 9519666, 9885807, 14279499, 19771614, 28558998, 42838497, 85676994, 128515491, 257030982]

約数ペア:

[(1, 257030982), (2, 128515491), (3, 85676994), (6, 42838497), (9, 28558998), (13, 19771614), (18, 14279499), (26, 9885807), (27, 9519666), (31, 8291322), (39, 6590538), (54, 4759833), (62, 4145661), (78, 3295269), (81, 3173222), (93, 2763774), (117, 2196846), (127, 2023866), (162, 1586611), (186, 1381887), (234, 1098423), (254, 1011933), (279, 921258), (351, 732282), (381, 674622), (403, 637794), (558, 460629), (702, 366141), (762, 337311), (806, 318897), (837, 307086), (961, 267462), (1053, 244094), (1143, 224874), (1209, 212598), (1651, 155682), (1674, 153543), (1922, 133731), (2106, 122047), (2286, 112437), (2418, 106299), (2511, 102362), (2883, 89154), (3302, 77841), (3429, 74958), (3627, 70866), (3937, 65286), (4953, 51894), (5022, 51181), (5766, 44577), (6858, 37479), (7254, 35433), (7874, 32643), (8649, 29718), (9906, 25947), (10287, 24986), (10881, 23622), (11811, 21762), (12493, 20574), (14859, 17298)]