51721264

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1842

約数の個数: 60

約数和(自身を含む): 119788464

約数和(自身を除く): 68067200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 784, 1036, 1783, 1813, 2072, 3566, 3626, 4144, 7132, 7252, 12481, 14264, 14504, 24962, 28528, 29008, 49924, 65971, 87367, 99848, 131942, 174734, 199696, 263884, 349468, 461797, 527768, 698936, 923594, 1055536, 1397872, 1847188, 3232579, 3694376, 6465158, 7388752, 12930316, 25860632, 51721264]

約数ペア:

[(1, 51721264), (2, 25860632), (4, 12930316), (7, 7388752), (8, 6465158), (14, 3694376), (16, 3232579), (28, 1847188), (37, 1397872), (49, 1055536), (56, 923594), (74, 698936), (98, 527768), (112, 461797), (148, 349468), (196, 263884), (259, 199696), (296, 174734), (392, 131942), (518, 99848), (592, 87367), (784, 65971), (1036, 49924), (1783, 29008), (1813, 28528), (2072, 24962), (3566, 14504), (3626, 14264), (4144, 12481), (7132, 7252)]