255656128

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6310

約数の個数: 84

約数和(自身を含む): 635642112

約数和(自身を除く): 379985984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 1274, 1456, 1568, 2548, 2912, 3136, 5096, 5824, 6271, 10192, 12542, 20384, 25084, 40768, 43897, 50168, 81523, 87794, 100336, 163046, 175588, 200672, 307279, 326092, 351176, 401344, 570661, 614558, 652184, 702352, 1141322, 1229116, 1304368, 1404704, 2282644, 2458232, 2608736, 2809408, 3994627, 4565288, 4916464, 5217472, 7989254, 9130576, 9832928, 15978508, 18261152, 19665856, 31957016, 36522304, 63914032, 127828064, 255656128]

約数ペア:

[(1, 255656128), (2, 127828064), (4, 63914032), (7, 36522304), (8, 31957016), (13, 19665856), (14, 18261152), (16, 15978508), (26, 9832928), (28, 9130576), (32, 7989254), (49, 5217472), (52, 4916464), (56, 4565288), (64, 3994627), (91, 2809408), (98, 2608736), (104, 2458232), (112, 2282644), (182, 1404704), (196, 1304368), (208, 1229116), (224, 1141322), (364, 702352), (392, 652184), (416, 614558), (448, 570661), (637, 401344), (728, 351176), (784, 326092), (832, 307279), (1274, 200672), (1456, 175588), (1568, 163046), (2548, 100336), (2912, 87794), (3136, 81523), (5096, 50168), (5824, 43897), (6271, 40768), (10192, 25084), (12542, 20384)]