647379712

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 1565867520

約数和(自身を除く): 918487808

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 113, 128, 139, 161, 184, 224, 226, 256, 278, 322, 368, 448, 452, 556, 644, 736, 791, 896, 904, 973, 1112, 1288, 1472, 1582, 1792, 1808, 1946, 2224, 2576, 2599, 2944, 3164, 3197, 3616, 3892, 4448, 5152, 5198, 5888, 6328, 6394, 7232, 7784, 8896, 10304, 10396, 12656, 12788, 14464, 15568, 15707, 17792, 18193, 20608, 20792, 22379, 25312, 25576, 28928, 31136, 31414, 35584, 36386, 41216, 41584, 44758, 50624, 51152, 62272, 62828, 72772, 83168, 89516, 101248, 102304, 109949, 124544, 125656, 145544, 166336, 179032, 202496, 204608, 219898, 249088, 251312, 291088, 332672, 358064, 361261, 409216, 439796, 502624, 582176, 665344, 716128, 722522, 818432, 879592, 1005248, 1164352, 1432256, 1445044, 1759184, 2010496, 2328704, 2528827, 2864512, 2890088, 3518368, 4020992, 4657408, 5057654, 5729024, 5780176, 7036736, 10115308, 11560352, 14073472, 20230616, 23120704, 28146944, 40461232, 46241408, 80922464, 92482816, 161844928, 323689856, 647379712]

約数ペア:

[(1, 647379712), (2, 323689856), (4, 161844928), (7, 92482816), (8, 80922464), (14, 46241408), (16, 40461232), (23, 28146944), (28, 23120704), (32, 20230616), (46, 14073472), (56, 11560352), (64, 10115308), (92, 7036736), (112, 5780176), (113, 5729024), (128, 5057654), (139, 4657408), (161, 4020992), (184, 3518368), (224, 2890088), (226, 2864512), (256, 2528827), (278, 2328704), (322, 2010496), (368, 1759184), (448, 1445044), (452, 1432256), (556, 1164352), (644, 1005248), (736, 879592), (791, 818432), (896, 722522), (904, 716128), (973, 665344), (1112, 582176), (1288, 502624), (1472, 439796), (1582, 409216), (1792, 361261), (1808, 358064), (1946, 332672), (2224, 291088), (2576, 251312), (2599, 249088), (2944, 219898), (3164, 204608), (3197, 202496), (3616, 179032), (3892, 166336), (4448, 145544), (5152, 125656), (5198, 124544), (5888, 109949), (6328, 102304), (6394, 101248), (7232, 89516), (7784, 83168), (8896, 72772), (10304, 62828), (10396, 62272), (12656, 51152), (12788, 50624), (14464, 44758), (15568, 41584), (15707, 41216), (17792, 36386), (18193, 35584), (20608, 31414), (20792, 31136), (22379, 28928), (25312, 25576)]