28787304

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 61932696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 269, 273, 294, 312, 343, 364, 392, 538, 546, 588, 637, 686, 728, 807, 1029, 1076, 1092, 1176, 1274, 1372, 1614, 1883, 1911, 2058, 2152, 2184, 2548, 2744, 3228, 3497, 3766, 3822, 4116, 4459, 5096, 5649, 6456, 6994, 7532, 7644, 8232, 8918, 10491, 11298, 13181, 13377, 13988, 15064, 15288, 17836, 20982, 22596, 24479, 26362, 26754, 27976, 35672, 39543, 41964, 45192, 48958, 52724, 53508, 73437, 79086, 83928, 92267, 97916, 105448, 107016, 146874, 158172, 171353, 184534, 195832, 276801, 293748, 316344, 342706, 369068, 514059, 553602, 587496, 685412, 738136, 1028118, 1107204, 1199471, 1370824, 2056236, 2214408, 2398942, 3598413, 4112472, 4797884, 7196826, 9595768, 14393652, 28787304]

約数ペア:

[(1, 28787304), (2, 14393652), (3, 9595768), (4, 7196826), (6, 4797884), (7, 4112472), (8, 3598413), (12, 2398942), (13, 2214408), (14, 2056236), (21, 1370824), (24, 1199471), (26, 1107204), (28, 1028118), (39, 738136), (42, 685412), (49, 587496), (52, 553602), (56, 514059), (78, 369068), (84, 342706), (91, 316344), (98, 293748), (104, 276801), (147, 195832), (156, 184534), (168, 171353), (182, 158172), (196, 146874), (269, 107016), (273, 105448), (294, 97916), (312, 92267), (343, 83928), (364, 79086), (392, 73437), (538, 53508), (546, 52724), (588, 48958), (637, 45192), (686, 41964), (728, 39543), (807, 35672), (1029, 27976), (1076, 26754), (1092, 26362), (1176, 24479), (1274, 22596), (1372, 20982), (1614, 17836), (1883, 15288), (1911, 15064), (2058, 13988), (2152, 13377), (2184, 13181), (2548, 11298), (2744, 10491), (3228, 8918), (3497, 8232), (3766, 7644), (3822, 7532), (4116, 6994), (4459, 6456), (5096, 5649)]