51721208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 129276000

約数和(自身を除く): 77554792

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 121, 136, 154, 187, 238, 242, 308, 374, 449, 476, 484, 616, 748, 847, 898, 952, 968, 1309, 1496, 1694, 1796, 2057, 2618, 3143, 3388, 3592, 4114, 4939, 5236, 6286, 6776, 7633, 8228, 9878, 10472, 12572, 14399, 15266, 16456, 19756, 25144, 28798, 30532, 34573, 39512, 53431, 54329, 57596, 61064, 69146, 83963, 106862, 108658, 115192, 138292, 167926, 213724, 217316, 276584, 335852, 380303, 427448, 434632, 587741, 671704, 760606, 923593, 1175482, 1521212, 1847186, 2350964, 3042424, 3694372, 4701928, 6465151, 7388744, 12930302, 25860604, 51721208]

約数ペア:

[(1, 51721208), (2, 25860604), (4, 12930302), (7, 7388744), (8, 6465151), (11, 4701928), (14, 3694372), (17, 3042424), (22, 2350964), (28, 1847186), (34, 1521212), (44, 1175482), (56, 923593), (68, 760606), (77, 671704), (88, 587741), (119, 434632), (121, 427448), (136, 380303), (154, 335852), (187, 276584), (238, 217316), (242, 213724), (308, 167926), (374, 138292), (449, 115192), (476, 108658), (484, 106862), (616, 83963), (748, 69146), (847, 61064), (898, 57596), (952, 54329), (968, 53431), (1309, 39512), (1496, 34573), (1694, 30532), (1796, 28798), (2057, 25144), (2618, 19756), (3143, 16456), (3388, 15266), (3592, 14399), (4114, 12572), (4939, 10472), (5236, 9878), (6286, 8228), (6776, 7633)]