388804976

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1150

約数の個数: 80

約数和(自身を含む): 897466368

約数和(自身を除く): 508661392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 113, 124, 217, 226, 248, 434, 452, 496, 791, 868, 904, 991, 1582, 1736, 1808, 1982, 3164, 3472, 3503, 3964, 6328, 6937, 7006, 7928, 12656, 13874, 14012, 15856, 24521, 27748, 28024, 30721, 49042, 55496, 56048, 61442, 98084, 110992, 111983, 122884, 196168, 215047, 223966, 245768, 392336, 430094, 447932, 491536, 783881, 860188, 895864, 1567762, 1720376, 1791728, 3135524, 3440752, 3471473, 6271048, 6942946, 12542096, 13885892, 24300311, 27771784, 48600622, 55543568, 97201244, 194402488, 388804976]

約数ペア:

[(1, 388804976), (2, 194402488), (4, 97201244), (7, 55543568), (8, 48600622), (14, 27771784), (16, 24300311), (28, 13885892), (31, 12542096), (56, 6942946), (62, 6271048), (112, 3471473), (113, 3440752), (124, 3135524), (217, 1791728), (226, 1720376), (248, 1567762), (434, 895864), (452, 860188), (496, 783881), (791, 491536), (868, 447932), (904, 430094), (991, 392336), (1582, 245768), (1736, 223966), (1808, 215047), (1982, 196168), (3164, 122884), (3472, 111983), (3503, 110992), (3964, 98084), (6328, 61442), (6937, 56048), (7006, 55496), (7928, 49042), (12656, 30721), (13874, 28024), (14012, 27748), (15856, 24521)]