208787712

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 645184512

約数和(自身を除く): 436396800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 71, 84, 96, 112, 128, 142, 168, 192, 213, 224, 256, 284, 336, 384, 426, 448, 497, 547, 568, 672, 768, 852, 896, 994, 1094, 1136, 1344, 1491, 1641, 1704, 1792, 1988, 2188, 2272, 2688, 2982, 3282, 3408, 3829, 3976, 4376, 4544, 5376, 5964, 6564, 6816, 7658, 7952, 8752, 9088, 11487, 11928, 13128, 13632, 15316, 15904, 17504, 18176, 22974, 23856, 26256, 27264, 30632, 31808, 35008, 38837, 45948, 47712, 52512, 54528, 61264, 63616, 70016, 77674, 91896, 95424, 105024, 116511, 122528, 127232, 140032, 155348, 183792, 190848, 210048, 233022, 245056, 271859, 310696, 367584, 381696, 420096, 466044, 490112, 543718, 621392, 735168, 815577, 932088, 980224, 1087436, 1242784, 1470336, 1631154, 1864176, 2174872, 2485568, 2940672, 3262308, 3728352, 4349744, 4971136, 6524616, 7456704, 8699488, 9942272, 13049232, 14913408, 17398976, 26098464, 29826816, 34797952, 52196928, 69595904, 104393856, 208787712]

約数ペア:

[(1, 208787712), (2, 104393856), (3, 69595904), (4, 52196928), (6, 34797952), (7, 29826816), (8, 26098464), (12, 17398976), (14, 14913408), (16, 13049232), (21, 9942272), (24, 8699488), (28, 7456704), (32, 6524616), (42, 4971136), (48, 4349744), (56, 3728352), (64, 3262308), (71, 2940672), (84, 2485568), (96, 2174872), (112, 1864176), (128, 1631154), (142, 1470336), (168, 1242784), (192, 1087436), (213, 980224), (224, 932088), (256, 815577), (284, 735168), (336, 621392), (384, 543718), (426, 490112), (448, 466044), (497, 420096), (547, 381696), (568, 367584), (672, 310696), (768, 271859), (852, 245056), (896, 233022), (994, 210048), (1094, 190848), (1136, 183792), (1344, 155348), (1491, 140032), (1641, 127232), (1704, 122528), (1792, 116511), (1988, 105024), (2188, 95424), (2272, 91896), (2688, 77674), (2982, 70016), (3282, 63616), (3408, 61264), (3829, 54528), (3976, 52512), (4376, 47712), (4544, 45948), (5376, 38837), (5964, 35008), (6564, 31808), (6816, 30632), (7658, 27264), (7952, 26256), (8752, 23856), (9088, 22974), (11487, 18176), (11928, 17504), (13128, 15904), (13632, 15316)]