387209984

素因数分解:

$2^8\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 889140000

約数和(自身を除く): 501930016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 173, 224, 256, 346, 448, 692, 896, 1211, 1249, 1384, 1792, 2422, 2498, 2768, 4844, 4996, 5536, 8743, 9688, 9992, 11072, 17486, 19376, 19984, 22144, 34972, 38752, 39968, 44288, 69944, 77504, 79936, 139888, 155008, 159872, 216077, 279776, 310016, 319744, 432154, 559552, 864308, 1119104, 1512539, 1728616, 2238208, 3025078, 3457232, 6050156, 6914464, 12100312, 13828928, 24200624, 27657856, 48401248, 55315712, 96802496, 193604992, 387209984]

約数ペア:

[(1, 387209984), (2, 193604992), (4, 96802496), (7, 55315712), (8, 48401248), (14, 27657856), (16, 24200624), (28, 13828928), (32, 12100312), (56, 6914464), (64, 6050156), (112, 3457232), (128, 3025078), (173, 2238208), (224, 1728616), (256, 1512539), (346, 1119104), (448, 864308), (692, 559552), (896, 432154), (1211, 319744), (1249, 310016), (1384, 279776), (1792, 216077), (2422, 159872), (2498, 155008), (2768, 139888), (4844, 79936), (4996, 77504), (5536, 69944), (8743, 44288), (9688, 39968), (9992, 38752), (11072, 34972), (17486, 22144), (19376, 19984)]