1999872

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{31}}^1$

素因数の和:64

約数の個数: 132

約数和(自身を含む): 6812416

約数和(自身を除く): 4812544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 512, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1024, 1116, 1152, 1302, 1344, 1488, 1536, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2604, 2688, 2976, 3072, 3472, 3584, 3906, 3968, 4032, 4464, 4608, 5208, 5376, 5952, 6944, 7168, 7812, 7936, 8064, 8928, 9216, 10416, 10752, 11904, 13888, 15624, 15872, 16128, 17856, 20832, 21504, 23808, 27776, 31248, 31744, 32256, 35712, 41664, 47616, 55552, 62496, 64512, 71424, 83328, 95232, 111104, 124992, 142848, 166656, 222208, 249984, 285696, 333312, 499968, 666624, 999936, 1999872]

約数ペア:

[(1, 1999872), (2, 999936), (3, 666624), (4, 499968), (6, 333312), (7, 285696), (8, 249984), (9, 222208), (12, 166656), (14, 142848), (16, 124992), (18, 111104), (21, 95232), (24, 83328), (28, 71424), (31, 64512), (32, 62496), (36, 55552), (42, 47616), (48, 41664), (56, 35712), (62, 32256), (63, 31744), (64, 31248), (72, 27776), (84, 23808), (93, 21504), (96, 20832), (112, 17856), (124, 16128), (126, 15872), (128, 15624), (144, 13888), (168, 11904), (186, 10752), (192, 10416), (217, 9216), (224, 8928), (248, 8064), (252, 7936), (256, 7812), (279, 7168), (288, 6944), (336, 5952), (372, 5376), (384, 5208), (434, 4608), (448, 4464), (496, 4032), (504, 3968), (512, 3906), (558, 3584), (576, 3472), (651, 3072), (672, 2976), (744, 2688), (768, 2604), (868, 2304), (896, 2232), (992, 2016), (1008, 1984), (1024, 1953), (1116, 1792), (1152, 1736), (1302, 1536), (1344, 1488)]