1998806656

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1630

約数の個数: 128

約数和(自身を含む): 5003712000

約数和(自身を除く): 3004905344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 139, 154, 176, 224, 278, 308, 352, 448, 556, 616, 704, 896, 973, 1112, 1232, 1408, 1459, 1529, 1946, 2224, 2464, 2918, 3058, 3892, 4448, 4928, 5836, 6116, 7784, 8896, 9856, 10213, 10703, 11672, 12232, 15568, 16049, 17792, 20426, 21406, 23344, 24464, 31136, 32098, 40852, 42812, 46688, 48928, 62272, 64196, 81704, 85624, 93376, 97856, 112343, 124544, 128392, 163408, 171248, 186752, 195712, 202801, 224686, 256784, 326816, 342496, 405602, 449372, 513568, 653632, 684992, 811204, 898744, 1027136, 1307264, 1369984, 1419607, 1622408, 1797488, 2054272, 2230811, 2839214, 3244816, 3594976, 4461622, 5678428, 6489632, 7189952, 8923244, 11356856, 12979264, 14379904, 15615677, 17846488, 22713712, 25958528, 31231354, 35692976, 45427424, 62462708, 71385952, 90854848, 124925416, 142771904, 181709696, 249850832, 285543808, 499701664, 999403328, 1998806656]

約数ペア:

[(1, 1998806656), (2, 999403328), (4, 499701664), (7, 285543808), (8, 249850832), (11, 181709696), (14, 142771904), (16, 124925416), (22, 90854848), (28, 71385952), (32, 62462708), (44, 45427424), (56, 35692976), (64, 31231354), (77, 25958528), (88, 22713712), (112, 17846488), (128, 15615677), (139, 14379904), (154, 12979264), (176, 11356856), (224, 8923244), (278, 7189952), (308, 6489632), (352, 5678428), (448, 4461622), (556, 3594976), (616, 3244816), (704, 2839214), (896, 2230811), (973, 2054272), (1112, 1797488), (1232, 1622408), (1408, 1419607), (1459, 1369984), (1529, 1307264), (1946, 1027136), (2224, 898744), (2464, 811204), (2918, 684992), (3058, 653632), (3892, 513568), (4448, 449372), (4928, 405602), (5836, 342496), (6116, 326816), (7784, 256784), (8896, 224686), (9856, 202801), (10213, 195712), (10703, 186752), (11672, 171248), (12232, 163408), (15568, 128392), (16049, 124544), (17792, 112343), (20426, 97856), (21406, 93376), (23344, 85624), (24464, 81704), (31136, 64196), (32098, 62272), (40852, 48928), (42812, 46688)]