399752192

素因数分解:

$2^{10}\times 7^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 132

約数和(自身を含む): 963301824

約数和(自身を除く): 563549632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 257, 392, 434, 448, 496, 512, 514, 784, 868, 896, 992, 1024, 1028, 1519, 1568, 1736, 1792, 1799, 1984, 2056, 3038, 3136, 3472, 3584, 3598, 3968, 4112, 6076, 6272, 6944, 7168, 7196, 7936, 7967, 8224, 12152, 12544, 12593, 13888, 14392, 15872, 15934, 16448, 24304, 25088, 25186, 27776, 28784, 31744, 31868, 32896, 48608, 50176, 50372, 55552, 55769, 57568, 63736, 65792, 97216, 100744, 111104, 111538, 115136, 127472, 131584, 194432, 201488, 222208, 223076, 230272, 254944, 263168, 388864, 390383, 402976, 446152, 460544, 509888, 777728, 780766, 805952, 892304, 921088, 1019776, 1555456, 1561532, 1611904, 1784608, 1842176, 2039552, 3123064, 3223808, 3569216, 4079104, 6246128, 6447616, 7138432, 8158208, 12492256, 12895232, 14276864, 24984512, 28553728, 49969024, 57107456, 99938048, 199876096, 399752192]

約数ペア:

[(1, 399752192), (2, 199876096), (4, 99938048), (7, 57107456), (8, 49969024), (14, 28553728), (16, 24984512), (28, 14276864), (31, 12895232), (32, 12492256), (49, 8158208), (56, 7138432), (62, 6447616), (64, 6246128), (98, 4079104), (112, 3569216), (124, 3223808), (128, 3123064), (196, 2039552), (217, 1842176), (224, 1784608), (248, 1611904), (256, 1561532), (257, 1555456), (392, 1019776), (434, 921088), (448, 892304), (496, 805952), (512, 780766), (514, 777728), (784, 509888), (868, 460544), (896, 446152), (992, 402976), (1024, 390383), (1028, 388864), (1519, 263168), (1568, 254944), (1736, 230272), (1792, 223076), (1799, 222208), (1984, 201488), (2056, 194432), (3038, 131584), (3136, 127472), (3472, 115136), (3584, 111538), (3598, 111104), (3968, 100744), (4112, 97216), (6076, 65792), (6272, 63736), (6944, 57568), (7168, 55769), (7196, 55552), (7936, 50372), (7967, 50176), (8224, 48608), (12152, 32896), (12544, 31868), (12593, 31744), (13888, 28784), (14392, 27776), (15872, 25186), (15934, 25088), (16448, 24304)]