1231853784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 3576545280

約数和(自身を除く): 2344691496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 223, 251, 262, 393, 446, 502, 524, 669, 753, 786, 892, 917, 1004, 1048, 1338, 1506, 1561, 1572, 1757, 1784, 1834, 2008, 2676, 2751, 3012, 3122, 3144, 3514, 3668, 4683, 5271, 5352, 5502, 6024, 6244, 7028, 7336, 9366, 10542, 11004, 12488, 14056, 18732, 21084, 22008, 29213, 32881, 37464, 42168, 55973, 58426, 65762, 87639, 98643, 111946, 116852, 131524, 167919, 175278, 197286, 204491, 223892, 230167, 233704, 263048, 335838, 350556, 391811, 394572, 408982, 447784, 460334, 613473, 671676, 690501, 701112, 783622, 789144, 817964, 920668, 1175433, 1226946, 1343352, 1381002, 1567244, 1635928, 1841336, 2350866, 2453892, 2762004, 3134488, 4701732, 4907784, 5524008, 7332463, 9403464, 14664926, 21997389, 29329852, 43994778, 51327241, 58659704, 87989556, 102654482, 153981723, 175979112, 205308964, 307963446, 410617928, 615926892, 1231853784]

約数ペア:

[(1, 1231853784), (2, 615926892), (3, 410617928), (4, 307963446), (6, 205308964), (7, 175979112), (8, 153981723), (12, 102654482), (14, 87989556), (21, 58659704), (24, 51327241), (28, 43994778), (42, 29329852), (56, 21997389), (84, 14664926), (131, 9403464), (168, 7332463), (223, 5524008), (251, 4907784), (262, 4701732), (393, 3134488), (446, 2762004), (502, 2453892), (524, 2350866), (669, 1841336), (753, 1635928), (786, 1567244), (892, 1381002), (917, 1343352), (1004, 1226946), (1048, 1175433), (1338, 920668), (1506, 817964), (1561, 789144), (1572, 783622), (1757, 701112), (1784, 690501), (1834, 671676), (2008, 613473), (2676, 460334), (2751, 447784), (3012, 408982), (3122, 394572), (3144, 391811), (3514, 350556), (3668, 335838), (4683, 263048), (5271, 233704), (5352, 230167), (5502, 223892), (6024, 204491), (6244, 197286), (7028, 175278), (7336, 167919), (9366, 131524), (10542, 116852), (11004, 111946), (12488, 98643), (14056, 87639), (18732, 65762), (21084, 58426), (22008, 55973), (29213, 42168), (32881, 37464)]