256913664

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{6827}}^1$

素因数の和:6860

約数の個数: 108

約数和(自身を含む): 795516624

約数和(自身を除く): 538602960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 588, 672, 768, 784, 896, 1176, 1344, 1568, 1792, 2352, 2688, 3136, 4704, 5376, 6272, 6827, 9408, 12544, 13654, 18816, 20481, 27308, 37632, 40962, 47789, 54616, 81924, 95578, 109232, 143367, 163848, 191156, 218464, 286734, 327696, 334523, 382312, 436928, 573468, 655392, 669046, 764624, 873856, 1003569, 1146936, 1310784, 1338092, 1529248, 1747712, 2007138, 2293872, 2621568, 2676184, 3058496, 4014276, 4587744, 5243136, 5352368, 6116992, 8028552, 9175488, 10704736, 12233984, 16057104, 18350976, 21409472, 32114208, 36701952, 42818944, 64228416, 85637888, 128456832, 256913664]

約数ペア:

[(1, 256913664), (2, 128456832), (3, 85637888), (4, 64228416), (6, 42818944), (7, 36701952), (8, 32114208), (12, 21409472), (14, 18350976), (16, 16057104), (21, 12233984), (24, 10704736), (28, 9175488), (32, 8028552), (42, 6116992), (48, 5352368), (49, 5243136), (56, 4587744), (64, 4014276), (84, 3058496), (96, 2676184), (98, 2621568), (112, 2293872), (128, 2007138), (147, 1747712), (168, 1529248), (192, 1338092), (196, 1310784), (224, 1146936), (256, 1003569), (294, 873856), (336, 764624), (384, 669046), (392, 655392), (448, 573468), (588, 436928), (672, 382312), (768, 334523), (784, 327696), (896, 286734), (1176, 218464), (1344, 191156), (1568, 163848), (1792, 143367), (2352, 109232), (2688, 95578), (3136, 81924), (4704, 54616), (5376, 47789), (6272, 40962), (6827, 37632), (9408, 27308), (12544, 20481), (13654, 18816)]