81974256

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:428

約数の個数: 160

約数和(自身を含む): 266649600

約数和(自身を除く): 184675344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 343, 364, 383, 392, 546, 588, 624, 637, 686, 728, 766, 784, 1029, 1092, 1149, 1176, 1274, 1372, 1456, 1532, 1911, 2058, 2184, 2298, 2352, 2548, 2681, 2744, 3064, 3822, 4116, 4368, 4459, 4596, 4979, 5096, 5362, 5488, 6128, 7644, 8043, 8232, 8918, 9192, 9958, 10192, 10724, 13377, 14937, 15288, 16086, 16464, 17836, 18384, 18767, 19916, 21448, 26754, 29874, 30576, 32172, 34853, 35672, 37534, 39832, 42896, 53508, 56301, 59748, 64344, 69706, 71344, 75068, 79664, 104559, 107016, 112602, 119496, 128688, 131369, 139412, 150136, 209118, 214032, 225204, 238992, 243971, 262738, 278824, 300272, 394107, 418236, 450408, 487942, 525476, 557648, 731913, 788214, 836472, 900816, 975884, 1050952, 1463826, 1576428, 1672944, 1707797, 1951768, 2101904, 2927652, 3152856, 3415594, 3903536, 5123391, 5855304, 6305712, 6831188, 10246782, 11710608, 13662376, 20493564, 27324752, 40987128, 81974256]

約数ペア:

[(1, 81974256), (2, 40987128), (3, 27324752), (4, 20493564), (6, 13662376), (7, 11710608), (8, 10246782), (12, 6831188), (13, 6305712), (14, 5855304), (16, 5123391), (21, 3903536), (24, 3415594), (26, 3152856), (28, 2927652), (39, 2101904), (42, 1951768), (48, 1707797), (49, 1672944), (52, 1576428), (56, 1463826), (78, 1050952), (84, 975884), (91, 900816), (98, 836472), (104, 788214), (112, 731913), (147, 557648), (156, 525476), (168, 487942), (182, 450408), (196, 418236), (208, 394107), (273, 300272), (294, 278824), (312, 262738), (336, 243971), (343, 238992), (364, 225204), (383, 214032), (392, 209118), (546, 150136), (588, 139412), (624, 131369), (637, 128688), (686, 119496), (728, 112602), (766, 107016), (784, 104559), (1029, 79664), (1092, 75068), (1149, 71344), (1176, 69706), (1274, 64344), (1372, 59748), (1456, 56301), (1532, 53508), (1911, 42896), (2058, 39832), (2184, 37534), (2298, 35672), (2352, 34853), (2548, 32172), (2681, 30576), (2744, 29874), (3064, 26754), (3822, 21448), (4116, 19916), (4368, 18767), (4459, 18384), (4596, 17836), (4979, 16464), (5096, 16086), (5362, 15288), (5488, 14937), (6128, 13377), (7644, 10724), (8043, 10192), (8232, 9958), (8918, 9192)]