251495244

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 216

約数和(自身を含む): 869673168

約数和(自身を除く): 618177924

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 49, 52, 63, 66, 77, 78, 84, 91, 98, 99, 117, 126, 132, 143, 147, 154, 156, 182, 196, 198, 231, 234, 252, 273, 286, 294, 308, 364, 396, 429, 441, 462, 468, 539, 546, 572, 588, 637, 693, 819, 858, 882, 924, 997, 1001, 1078, 1092, 1274, 1287, 1386, 1617, 1638, 1716, 1764, 1911, 1994, 2002, 2156, 2548, 2574, 2772, 2991, 3003, 3234, 3276, 3822, 3988, 4004, 4851, 5148, 5733, 5982, 6006, 6468, 6979, 7007, 7644, 8973, 9009, 9702, 10967, 11466, 11964, 12012, 12961, 13958, 14014, 17946, 18018, 19404, 20937, 21021, 21934, 22932, 25922, 27916, 28028, 32901, 35892, 36036, 38883, 41874, 42042, 43868, 48853, 51844, 62811, 63063, 65802, 76769, 77766, 83748, 84084, 90727, 97706, 98703, 116649, 125622, 126126, 131604, 142571, 146559, 153538, 155532, 181454, 195412, 197406, 230307, 233298, 251244, 252252, 272181, 285142, 293118, 307076, 362908, 394812, 427713, 439677, 460614, 466596, 537383, 544362, 570284, 586236, 635089, 690921, 816543, 855426, 879354, 921228, 997997, 1074766, 1088724, 1270178, 1283139, 1381842, 1612149, 1633086, 1710852, 1758708, 1905267, 1995994, 2149532, 2540356, 2566278, 2763684, 2993991, 3224298, 3266172, 3810534, 3991988, 4836447, 5132556, 5715801, 5987982, 6448596, 6985979, 7621068, 8981973, 9672894, 11431602, 11975964, 13971958, 17963946, 19345788, 20957937, 22863204, 27943916, 35927892, 41915874, 62873811, 83831748, 125747622, 251495244]

約数ペア:

[(1, 251495244), (2, 125747622), (3, 83831748), (4, 62873811), (6, 41915874), (7, 35927892), (9, 27943916), (11, 22863204), (12, 20957937), (13, 19345788), (14, 17963946), (18, 13971958), (21, 11975964), (22, 11431602), (26, 9672894), (28, 8981973), (33, 7621068), (36, 6985979), (39, 6448596), (42, 5987982), (44, 5715801), (49, 5132556), (52, 4836447), (63, 3991988), (66, 3810534), (77, 3266172), (78, 3224298), (84, 2993991), (91, 2763684), (98, 2566278), (99, 2540356), (117, 2149532), (126, 1995994), (132, 1905267), (143, 1758708), (147, 1710852), (154, 1633086), (156, 1612149), (182, 1381842), (196, 1283139), (198, 1270178), (231, 1088724), (234, 1074766), (252, 997997), (273, 921228), (286, 879354), (294, 855426), (308, 816543), (364, 690921), (396, 635089), (429, 586236), (441, 570284), (462, 544362), (468, 537383), (539, 466596), (546, 460614), (572, 439677), (588, 427713), (637, 394812), (693, 362908), (819, 307076), (858, 293118), (882, 285142), (924, 272181), (997, 252252), (1001, 251244), (1078, 233298), (1092, 230307), (1274, 197406), (1287, 195412), (1386, 181454), (1617, 155532), (1638, 153538), (1716, 146559), (1764, 142571), (1911, 131604), (1994, 126126), (2002, 125622), (2156, 116649), (2548, 98703), (2574, 97706), (2772, 90727), (2991, 84084), (3003, 83748), (3234, 77766), (3276, 76769), (3822, 65802), (3988, 63063), (4004, 62811), (4851, 51844), (5148, 48853), (5733, 43868), (5982, 42042), (6006, 41874), (6468, 38883), (6979, 36036), (7007, 35892), (7644, 32901), (8973, 28028), (9009, 27916), (9702, 25922), (10967, 22932), (11466, 21934), (11964, 21021), (12012, 20937), (12961, 19404), (13958, 18018), (14014, 17946)]