71757712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 156739968

約数和(自身を除く): 84982256

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 71, 86, 104, 113, 142, 172, 208, 226, 284, 344, 452, 559, 568, 688, 904, 923, 1118, 1136, 1469, 1808, 1846, 2236, 2938, 3053, 3692, 4472, 4859, 5876, 6106, 7384, 8023, 8944, 9718, 11752, 12212, 14768, 16046, 19436, 23504, 24424, 32092, 38872, 39689, 48848, 63167, 64184, 77744, 79378, 104299, 126334, 128368, 158756, 208598, 252668, 317512, 344989, 417196, 505336, 635024, 689978, 834392, 1010672, 1379956, 1668784, 2759912, 4484857, 5519824, 8969714, 17939428, 35878856, 71757712]

約数ペア:

[(1, 71757712), (2, 35878856), (4, 17939428), (8, 8969714), (13, 5519824), (16, 4484857), (26, 2759912), (43, 1668784), (52, 1379956), (71, 1010672), (86, 834392), (104, 689978), (113, 635024), (142, 505336), (172, 417196), (208, 344989), (226, 317512), (284, 252668), (344, 208598), (452, 158756), (559, 128368), (568, 126334), (688, 104299), (904, 79378), (923, 77744), (1118, 64184), (1136, 63167), (1469, 48848), (1808, 39689), (1846, 38872), (2236, 32092), (2938, 24424), (3053, 23504), (3692, 19436), (4472, 16046), (4859, 14768), (5876, 12212), (6106, 11752), (7384, 9718), (8023, 8944)]