217721504

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1019

約数の個数: 144

約数和(自身を含む): 586395936

約数和(自身を除く): 368674432

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 224, 286, 308, 352, 364, 392, 416, 539, 572, 616, 637, 728, 784, 971, 1001, 1078, 1144, 1232, 1274, 1456, 1568, 1942, 2002, 2156, 2288, 2464, 2548, 2912, 3884, 4004, 4312, 4576, 5096, 6797, 7007, 7768, 8008, 8624, 10192, 10681, 12623, 13594, 14014, 15536, 16016, 17248, 20384, 21362, 25246, 27188, 28028, 31072, 32032, 42724, 47579, 50492, 54376, 56056, 74767, 85448, 88361, 95158, 100984, 108752, 112112, 138853, 149534, 170896, 176722, 190316, 201968, 217504, 224224, 277706, 299068, 341792, 353444, 380632, 403936, 523369, 555412, 598136, 618527, 706888, 761264, 971971, 1046738, 1110824, 1196272, 1237054, 1413776, 1522528, 1943942, 2093476, 2221648, 2392544, 2474108, 2827552, 3887884, 4186952, 4443296, 4948216, 6803797, 7775768, 8373904, 9896432, 13607594, 15551536, 16747808, 19792864, 27215188, 31103072, 54430376, 108860752, 217721504]

約数ペア:

[(1, 217721504), (2, 108860752), (4, 54430376), (7, 31103072), (8, 27215188), (11, 19792864), (13, 16747808), (14, 15551536), (16, 13607594), (22, 9896432), (26, 8373904), (28, 7775768), (32, 6803797), (44, 4948216), (49, 4443296), (52, 4186952), (56, 3887884), (77, 2827552), (88, 2474108), (91, 2392544), (98, 2221648), (104, 2093476), (112, 1943942), (143, 1522528), (154, 1413776), (176, 1237054), (182, 1196272), (196, 1110824), (208, 1046738), (224, 971971), (286, 761264), (308, 706888), (352, 618527), (364, 598136), (392, 555412), (416, 523369), (539, 403936), (572, 380632), (616, 353444), (637, 341792), (728, 299068), (784, 277706), (971, 224224), (1001, 217504), (1078, 201968), (1144, 190316), (1232, 176722), (1274, 170896), (1456, 149534), (1568, 138853), (1942, 112112), (2002, 108752), (2156, 100984), (2288, 95158), (2464, 88361), (2548, 85448), (2912, 74767), (3884, 56056), (4004, 54376), (4312, 50492), (4576, 47579), (5096, 42724), (6797, 32032), (7007, 31072), (7768, 28028), (8008, 27188), (8624, 25246), (10192, 21362), (10681, 20384), (12623, 17248), (13594, 16016), (14014, 15536)]