281623552

素因数分解:

$2^{10}\times 7^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 88

約数和(自身を含む): 651437280

約数和(自身を除く): 369813728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 202, 224, 256, 389, 404, 448, 512, 707, 778, 808, 896, 1024, 1414, 1556, 1616, 1792, 2723, 2828, 3112, 3232, 3584, 5446, 5656, 6224, 6464, 7168, 10892, 11312, 12448, 12928, 21784, 22624, 24896, 25856, 39289, 43568, 45248, 49792, 51712, 78578, 87136, 90496, 99584, 103424, 157156, 174272, 180992, 199168, 275023, 314312, 348544, 361984, 398336, 550046, 628624, 697088, 723968, 1100092, 1257248, 1394176, 2200184, 2514496, 2788352, 4400368, 5028992, 8800736, 10057984, 17601472, 20115968, 35202944, 40231936, 70405888, 140811776, 281623552]

約数ペア:

[(1, 281623552), (2, 140811776), (4, 70405888), (7, 40231936), (8, 35202944), (14, 20115968), (16, 17601472), (28, 10057984), (32, 8800736), (56, 5028992), (64, 4400368), (101, 2788352), (112, 2514496), (128, 2200184), (202, 1394176), (224, 1257248), (256, 1100092), (389, 723968), (404, 697088), (448, 628624), (512, 550046), (707, 398336), (778, 361984), (808, 348544), (896, 314312), (1024, 275023), (1414, 199168), (1556, 180992), (1616, 174272), (1792, 157156), (2723, 103424), (2828, 99584), (3112, 90496), (3232, 87136), (3584, 78578), (5446, 51712), (5656, 49792), (6224, 45248), (6464, 43568), (7168, 39289), (10892, 25856), (11312, 24896), (12448, 22624), (12928, 21784)]