1997903712

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:525

約数の個数: 192

約数和(自身を含む): 6140413440

約数和(自身を除く): 4142509728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 73, 84, 96, 112, 139, 146, 168, 219, 224, 278, 292, 293, 336, 417, 438, 511, 556, 584, 586, 672, 834, 876, 879, 973, 1022, 1112, 1168, 1172, 1533, 1668, 1752, 1758, 1946, 2044, 2051, 2224, 2336, 2344, 2919, 3066, 3336, 3504, 3516, 3892, 4088, 4102, 4448, 4688, 5838, 6132, 6153, 6672, 7008, 7032, 7784, 8176, 8204, 9376, 10147, 11676, 12264, 12306, 13344, 14064, 15568, 16352, 16408, 20294, 21389, 23352, 24528, 24612, 28128, 30441, 31136, 32816, 40588, 40727, 42778, 46704, 49056, 49224, 60882, 64167, 65632, 71029, 81176, 81454, 85556, 93408, 98448, 121764, 122181, 128334, 142058, 149723, 162352, 162908, 171112, 196896, 213087, 243528, 244362, 256668, 284116, 285089, 299446, 324704, 325816, 342224, 426174, 449169, 487056, 488724, 513336, 568232, 570178, 598892, 651632, 684448, 852348, 855267, 898338, 974112, 977448, 1026672, 1136464, 1140356, 1197784, 1303264, 1704696, 1710534, 1796676, 1954896, 2053344, 2272928, 2280712, 2395568, 2973071, 3409392, 3421068, 3593352, 3909792, 4561424, 4791136, 5946142, 6818784, 6842136, 7186704, 8919213, 9122848, 11892284, 13684272, 14373408, 17838426, 20811497, 23784568, 27368544, 35676852, 41622994, 47569136, 62434491, 71353704, 83245988, 95138272, 124868982, 142707408, 166491976, 249737964, 285414816, 332983952, 499475928, 665967904, 998951856, 1997903712]

約数ペア:

[(1, 1997903712), (2, 998951856), (3, 665967904), (4, 499475928), (6, 332983952), (7, 285414816), (8, 249737964), (12, 166491976), (14, 142707408), (16, 124868982), (21, 95138272), (24, 83245988), (28, 71353704), (32, 62434491), (42, 47569136), (48, 41622994), (56, 35676852), (73, 27368544), (84, 23784568), (96, 20811497), (112, 17838426), (139, 14373408), (146, 13684272), (168, 11892284), (219, 9122848), (224, 8919213), (278, 7186704), (292, 6842136), (293, 6818784), (336, 5946142), (417, 4791136), (438, 4561424), (511, 3909792), (556, 3593352), (584, 3421068), (586, 3409392), (672, 2973071), (834, 2395568), (876, 2280712), (879, 2272928), (973, 2053344), (1022, 1954896), (1112, 1796676), (1168, 1710534), (1172, 1704696), (1533, 1303264), (1668, 1197784), (1752, 1140356), (1758, 1136464), (1946, 1026672), (2044, 977448), (2051, 974112), (2224, 898338), (2336, 855267), (2344, 852348), (2919, 684448), (3066, 651632), (3336, 598892), (3504, 570178), (3516, 568232), (3892, 513336), (4088, 488724), (4102, 487056), (4448, 449169), (4688, 426174), (5838, 342224), (6132, 325816), (6153, 324704), (6672, 299446), (7008, 285089), (7032, 284116), (7784, 256668), (8176, 244362), (8204, 243528), (9376, 213087), (10147, 196896), (11676, 171112), (12264, 162908), (12306, 162352), (13344, 149723), (14064, 142058), (15568, 128334), (16352, 122181), (16408, 121764), (20294, 98448), (21389, 93408), (23352, 85556), (24528, 81454), (24612, 81176), (28128, 71029), (30441, 65632), (31136, 64167), (32816, 60882), (40588, 49224), (40727, 49056), (42778, 46704)]