256551456

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{54539}}^1$

素因数の和:54566

約数の個数: 72

約数和(自身を含む): 783412560

約数和(自身を除く): 526861104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 54539, 109078, 163617, 218156, 327234, 381773, 436312, 654468, 763546, 872624, 1145319, 1308936, 1527092, 1745248, 2290638, 2617872, 2672411, 3054184, 4581276, 5235744, 5344822, 6108368, 8017233, 9162552, 10689644, 12216736, 16034466, 18325104, 21379288, 32068932, 36650208, 42758576, 64137864, 85517152, 128275728, 256551456]

約数ペア:

[(1, 256551456), (2, 128275728), (3, 85517152), (4, 64137864), (6, 42758576), (7, 36650208), (8, 32068932), (12, 21379288), (14, 18325104), (16, 16034466), (21, 12216736), (24, 10689644), (28, 9162552), (32, 8017233), (42, 6108368), (48, 5344822), (49, 5235744), (56, 4581276), (84, 3054184), (96, 2672411), (98, 2617872), (112, 2290638), (147, 1745248), (168, 1527092), (196, 1308936), (224, 1145319), (294, 872624), (336, 763546), (392, 654468), (588, 436312), (672, 381773), (784, 327234), (1176, 218156), (1568, 163617), (2352, 109078), (4704, 54539)]