217688256

素因数分解:

$2^6\times 3^3\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:763

約数の個数: 112

約数和(自身を含む): 643737600

約数和(自身を除く): 426049344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 263, 288, 432, 479, 526, 576, 789, 864, 958, 1052, 1437, 1578, 1728, 1916, 2104, 2367, 2874, 3156, 3832, 4208, 4311, 4734, 5748, 6312, 7101, 7664, 8416, 8622, 9468, 11496, 12624, 12933, 14202, 15328, 16832, 17244, 18936, 22992, 25248, 25866, 28404, 30656, 34488, 37872, 45984, 50496, 51732, 56808, 68976, 75744, 91968, 103464, 113616, 125977, 137952, 151488, 206928, 227232, 251954, 275904, 377931, 413856, 454464, 503908, 755862, 827712, 1007816, 1133793, 1511724, 2015632, 2267586, 3023448, 3401379, 4031264, 4535172, 6046896, 6802758, 8062528, 9070344, 12093792, 13605516, 18140688, 24187584, 27211032, 36281376, 54422064, 72562752, 108844128, 217688256]

約数ペア:

[(1, 217688256), (2, 108844128), (3, 72562752), (4, 54422064), (6, 36281376), (8, 27211032), (9, 24187584), (12, 18140688), (16, 13605516), (18, 12093792), (24, 9070344), (27, 8062528), (32, 6802758), (36, 6046896), (48, 4535172), (54, 4031264), (64, 3401379), (72, 3023448), (96, 2267586), (108, 2015632), (144, 1511724), (192, 1133793), (216, 1007816), (263, 827712), (288, 755862), (432, 503908), (479, 454464), (526, 413856), (576, 377931), (789, 275904), (864, 251954), (958, 227232), (1052, 206928), (1437, 151488), (1578, 137952), (1728, 125977), (1916, 113616), (2104, 103464), (2367, 91968), (2874, 75744), (3156, 68976), (3832, 56808), (4208, 51732), (4311, 50496), (4734, 45984), (5748, 37872), (6312, 34488), (7101, 30656), (7664, 28404), (8416, 25866), (8622, 25248), (9468, 22992), (11496, 18936), (12624, 17244), (12933, 16832), (14202, 15328)]