213375448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 489620880

約数和(自身を除く): 276245432

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 71, 74, 88, 104, 142, 143, 148, 284, 286, 296, 407, 481, 568, 572, 781, 814, 923, 962, 1144, 1562, 1628, 1846, 1924, 2627, 3124, 3256, 3692, 3848, 5041, 5254, 5291, 6248, 7384, 10082, 10153, 10508, 10582, 20164, 20306, 21016, 21164, 28897, 34151, 40328, 40612, 42328, 55451, 57794, 65533, 68302, 81224, 110902, 115588, 131066, 136604, 186517, 221804, 231176, 262132, 273208, 373034, 375661, 443608, 524264, 720863, 746068, 751322, 1441726, 1492136, 1502644, 2051687, 2424721, 2883452, 3005288, 4103374, 4849442, 5766904, 8206748, 9698884, 16413496, 19397768, 26671931, 53343862, 106687724, 213375448]

約数ペア:

[(1, 213375448), (2, 106687724), (4, 53343862), (8, 26671931), (11, 19397768), (13, 16413496), (22, 9698884), (26, 8206748), (37, 5766904), (44, 4849442), (52, 4103374), (71, 3005288), (74, 2883452), (88, 2424721), (104, 2051687), (142, 1502644), (143, 1492136), (148, 1441726), (284, 751322), (286, 746068), (296, 720863), (407, 524264), (481, 443608), (568, 375661), (572, 373034), (781, 273208), (814, 262132), (923, 231176), (962, 221804), (1144, 186517), (1562, 136604), (1628, 131066), (1846, 115588), (1924, 110902), (2627, 81224), (3124, 68302), (3256, 65533), (3692, 57794), (3848, 55451), (5041, 42328), (5254, 40612), (5291, 40328), (6248, 34151), (7384, 28897), (10082, 21164), (10153, 21016), (10508, 20306), (10582, 20164)]