1219981812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 216

約数和(自身を含む): 3651443712

約数和(自身を除く): 2431461900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 49, 51, 62, 68, 84, 93, 98, 102, 119, 124, 127, 147, 186, 196, 204, 217, 238, 254, 294, 357, 372, 381, 434, 476, 508, 527, 588, 651, 714, 762, 833, 868, 889, 961, 1054, 1302, 1428, 1519, 1524, 1581, 1666, 1778, 1922, 2108, 2159, 2499, 2604, 2667, 2883, 3038, 3162, 3332, 3556, 3689, 3844, 3937, 4318, 4557, 4998, 5334, 5766, 6076, 6223, 6324, 6477, 6727, 7378, 7874, 8636, 9114, 9996, 10668, 11067, 11532, 11811, 12446, 12954, 13454, 14756, 15113, 15748, 16337, 18228, 18669, 20181, 22134, 23622, 24892, 25823, 25908, 26908, 27559, 30226, 32674, 37338, 40362, 44268, 45339, 47089, 47244, 49011, 51646, 55118, 60452, 65348, 66929, 74676, 77469, 80724, 82677, 90678, 94178, 98022, 103292, 105791, 110236, 114359, 122047, 133858, 141267, 154938, 165354, 181356, 188356, 192913, 196044, 200787, 211582, 228718, 244094, 267716, 282534, 309876, 317373, 330708, 343077, 366141, 385826, 401574, 423164, 457436, 468503, 488188, 565068, 578739, 634746, 686154, 732282, 771652, 800513, 803148, 854329, 937006, 1157478, 1269492, 1372308, 1405509, 1464564, 1601026, 1708658, 1874012, 2074799, 2314956, 2401539, 2562987, 2811018, 3202052, 3279521, 3417316, 4149598, 4803078, 5125974, 5622036, 5980303, 6224397, 6559042, 8299196, 9606156, 9838563, 10251948, 11960606, 12448794, 13118084, 14523593, 17940909, 19677126, 23921212, 24897588, 29047186, 35881818, 39354252, 43570779, 58094372, 71763636, 87141558, 101665151, 174283116, 203330302, 304995453, 406660604, 609990906, 1219981812]

約数ペア:

[(1, 1219981812), (2, 609990906), (3, 406660604), (4, 304995453), (6, 203330302), (7, 174283116), (12, 101665151), (14, 87141558), (17, 71763636), (21, 58094372), (28, 43570779), (31, 39354252), (34, 35881818), (42, 29047186), (49, 24897588), (51, 23921212), (62, 19677126), (68, 17940909), (84, 14523593), (93, 13118084), (98, 12448794), (102, 11960606), (119, 10251948), (124, 9838563), (127, 9606156), (147, 8299196), (186, 6559042), (196, 6224397), (204, 5980303), (217, 5622036), (238, 5125974), (254, 4803078), (294, 4149598), (357, 3417316), (372, 3279521), (381, 3202052), (434, 2811018), (476, 2562987), (508, 2401539), (527, 2314956), (588, 2074799), (651, 1874012), (714, 1708658), (762, 1601026), (833, 1464564), (868, 1405509), (889, 1372308), (961, 1269492), (1054, 1157478), (1302, 937006), (1428, 854329), (1519, 803148), (1524, 800513), (1581, 771652), (1666, 732282), (1778, 686154), (1922, 634746), (2108, 578739), (2159, 565068), (2499, 488188), (2604, 468503), (2667, 457436), (2883, 423164), (3038, 401574), (3162, 385826), (3332, 366141), (3556, 343077), (3689, 330708), (3844, 317373), (3937, 309876), (4318, 282534), (4557, 267716), (4998, 244094), (5334, 228718), (5766, 211582), (6076, 200787), (6223, 196044), (6324, 192913), (6477, 188356), (6727, 181356), (7378, 165354), (7874, 154938), (8636, 141267), (9114, 133858), (9996, 122047), (10668, 114359), (11067, 110236), (11532, 105791), (11811, 103292), (12446, 98022), (12954, 94178), (13454, 90678), (14756, 82677), (15113, 80724), (15748, 77469), (16337, 74676), (18228, 66929), (18669, 65348), (20181, 60452), (22134, 55118), (23622, 51646), (24892, 49011), (25823, 47244), (25908, 47089), (26908, 45339), (27559, 44268), (30226, 40362), (32674, 37338)]