550778368

素因数分解:

$2^9\times 7^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:907

約数の個数: 80

約数和(自身を含む): 1264919040

約数和(自身を除く): 714140672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 239, 256, 448, 478, 512, 643, 896, 956, 1286, 1673, 1792, 1912, 2572, 3346, 3584, 3824, 4501, 5144, 6692, 7648, 9002, 10288, 13384, 15296, 18004, 20576, 26768, 30592, 36008, 41152, 53536, 61184, 72016, 82304, 107072, 122368, 144032, 153677, 164608, 214144, 288064, 307354, 329216, 428288, 576128, 614708, 856576, 1075739, 1152256, 1229416, 2151478, 2304512, 2458832, 4302956, 4917664, 8605912, 9835328, 17211824, 19670656, 34423648, 39341312, 68847296, 78682624, 137694592, 275389184, 550778368]

約数ペア:

[(1, 550778368), (2, 275389184), (4, 137694592), (7, 78682624), (8, 68847296), (14, 39341312), (16, 34423648), (28, 19670656), (32, 17211824), (56, 9835328), (64, 8605912), (112, 4917664), (128, 4302956), (224, 2458832), (239, 2304512), (256, 2151478), (448, 1229416), (478, 1152256), (512, 1075739), (643, 856576), (896, 614708), (956, 576128), (1286, 428288), (1673, 329216), (1792, 307354), (1912, 288064), (2572, 214144), (3346, 164608), (3584, 153677), (3824, 144032), (4501, 122368), (5144, 107072), (6692, 82304), (7648, 72016), (9002, 61184), (10288, 53536), (13384, 41152), (15296, 36008), (18004, 30592), (20576, 26768)]