211638504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1711

約数の個数: 128

約数和(自身を含む): 669358080

約数和(自身を除く): 457719576

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 71, 77, 84, 88, 132, 142, 154, 168, 213, 231, 264, 284, 308, 426, 462, 497, 568, 616, 781, 852, 924, 994, 1491, 1562, 1613, 1704, 1848, 1988, 2343, 2982, 3124, 3226, 3976, 4686, 4839, 5467, 5964, 6248, 6452, 9372, 9678, 10934, 11291, 11928, 12904, 16401, 17743, 18744, 19356, 21868, 22582, 32802, 33873, 35486, 38712, 43736, 45164, 53229, 65604, 67746, 70972, 90328, 106458, 114523, 124201, 131208, 135492, 141944, 212916, 229046, 248402, 270984, 343569, 372603, 425832, 458092, 496804, 687138, 745206, 801661, 916184, 993608, 1259753, 1374276, 1490412, 1603322, 2404983, 2519506, 2748552, 2980824, 3206644, 3779259, 4809966, 5039012, 6413288, 7558518, 8818271, 9619932, 10078024, 15117036, 17636542, 19239864, 26454813, 30234072, 35273084, 52909626, 70546168, 105819252, 211638504]

約数ペア:

[(1, 211638504), (2, 105819252), (3, 70546168), (4, 52909626), (6, 35273084), (7, 30234072), (8, 26454813), (11, 19239864), (12, 17636542), (14, 15117036), (21, 10078024), (22, 9619932), (24, 8818271), (28, 7558518), (33, 6413288), (42, 5039012), (44, 4809966), (56, 3779259), (66, 3206644), (71, 2980824), (77, 2748552), (84, 2519506), (88, 2404983), (132, 1603322), (142, 1490412), (154, 1374276), (168, 1259753), (213, 993608), (231, 916184), (264, 801661), (284, 745206), (308, 687138), (426, 496804), (462, 458092), (497, 425832), (568, 372603), (616, 343569), (781, 270984), (852, 248402), (924, 229046), (994, 212916), (1491, 141944), (1562, 135492), (1613, 131208), (1704, 124201), (1848, 114523), (1988, 106458), (2343, 90328), (2982, 70972), (3124, 67746), (3226, 65604), (3976, 53229), (4686, 45164), (4839, 43736), (5467, 38712), (5964, 35486), (6248, 33873), (6452, 32802), (9372, 22582), (9678, 21868), (10934, 19356), (11291, 18744), (11928, 17743), (12904, 16401)]