218235784

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 472227840

約数和(自身を除く): 253992056

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 127, 164, 169, 248, 254, 328, 338, 403, 508, 533, 676, 806, 1016, 1066, 1271, 1352, 1612, 1651, 2132, 2542, 3224, 3302, 3937, 4264, 5084, 5207, 5239, 6604, 6929, 7874, 10168, 10414, 10478, 13208, 13858, 15748, 16523, 20828, 20956, 21463, 27716, 31496, 33046, 41656, 41912, 42926, 51181, 55432, 66092, 67691, 85852, 102362, 132184, 135382, 161417, 171704, 204724, 214799, 270764, 322834, 409448, 429598, 541528, 645668, 665353, 859196, 879983, 1291336, 1330706, 1718392, 1759966, 2098421, 2661412, 3519932, 4196842, 5322824, 7039864, 8393684, 16787368, 27279473, 54558946, 109117892, 218235784]

約数ペア:

[(1, 218235784), (2, 109117892), (4, 54558946), (8, 27279473), (13, 16787368), (26, 8393684), (31, 7039864), (41, 5322824), (52, 4196842), (62, 3519932), (82, 2661412), (104, 2098421), (124, 1759966), (127, 1718392), (164, 1330706), (169, 1291336), (248, 879983), (254, 859196), (328, 665353), (338, 645668), (403, 541528), (508, 429598), (533, 409448), (676, 322834), (806, 270764), (1016, 214799), (1066, 204724), (1271, 171704), (1352, 161417), (1612, 135382), (1651, 132184), (2132, 102362), (2542, 85852), (3224, 67691), (3302, 66092), (3937, 55432), (4264, 51181), (5084, 42926), (5207, 41912), (5239, 41656), (6604, 33046), (6929, 31496), (7874, 27716), (10168, 21463), (10414, 20956), (10478, 20828), (13208, 16523), (13858, 15748)]