631113728

素因数分解:

$2^{11}\times 7^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 1549875600

約数和(自身を除く): 918761872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 256, 266, 304, 331, 392, 448, 512, 532, 608, 662, 784, 896, 931, 1024, 1064, 1216, 1324, 1568, 1792, 1862, 2048, 2128, 2317, 2432, 2648, 3136, 3584, 3724, 4256, 4634, 4864, 5296, 6272, 6289, 7168, 7448, 8512, 9268, 9728, 10592, 12544, 12578, 14336, 14896, 16219, 17024, 18536, 19456, 21184, 25088, 25156, 29792, 32438, 34048, 37072, 38912, 42368, 44023, 50176, 50312, 59584, 64876, 68096, 74144, 84736, 88046, 100352, 100624, 119168, 129752, 136192, 148288, 169472, 176092, 201248, 238336, 259504, 272384, 296576, 308161, 338944, 352184, 402496, 476672, 519008, 593152, 616322, 677888, 704368, 804992, 953344, 1038016, 1186304, 1232644, 1408736, 1609984, 1906688, 2076032, 2372608, 2465288, 2817472, 3219968, 4152064, 4745216, 4930576, 5634944, 6439936, 8304128, 9861152, 11269888, 12879872, 16608256, 19722304, 22539776, 33216512, 39444608, 45079552, 78889216, 90159104, 157778432, 315556864, 631113728]

約数ペア:

[(1, 631113728), (2, 315556864), (4, 157778432), (7, 90159104), (8, 78889216), (14, 45079552), (16, 39444608), (19, 33216512), (28, 22539776), (32, 19722304), (38, 16608256), (49, 12879872), (56, 11269888), (64, 9861152), (76, 8304128), (98, 6439936), (112, 5634944), (128, 4930576), (133, 4745216), (152, 4152064), (196, 3219968), (224, 2817472), (256, 2465288), (266, 2372608), (304, 2076032), (331, 1906688), (392, 1609984), (448, 1408736), (512, 1232644), (532, 1186304), (608, 1038016), (662, 953344), (784, 804992), (896, 704368), (931, 677888), (1024, 616322), (1064, 593152), (1216, 519008), (1324, 476672), (1568, 402496), (1792, 352184), (1862, 338944), (2048, 308161), (2128, 296576), (2317, 272384), (2432, 259504), (2648, 238336), (3136, 201248), (3584, 176092), (3724, 169472), (4256, 148288), (4634, 136192), (4864, 129752), (5296, 119168), (6272, 100624), (6289, 100352), (7168, 88046), (7448, 84736), (8512, 74144), (9268, 68096), (9728, 64876), (10592, 59584), (12544, 50312), (12578, 50176), (14336, 44023), (14896, 42368), (16219, 38912), (17024, 37072), (18536, 34048), (19456, 32438), (21184, 29792), (25088, 25156)]