257786256

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8431}}^1$

素因数の和:8469

約数の個数: 120

約数和(自身を含む): 834363264

約数和(自身を除く): 576577008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 728, 784, 1092, 1176, 1274, 1456, 1911, 2184, 2352, 2548, 3822, 4368, 5096, 7644, 8431, 10192, 15288, 16862, 25293, 30576, 33724, 50586, 59017, 67448, 101172, 109603, 118034, 134896, 177051, 202344, 219206, 236068, 328809, 354102, 404688, 413119, 438412, 472136, 657618, 708204, 767221, 826238, 876824, 944272, 1239357, 1315236, 1416408, 1534442, 1652476, 1753648, 2301663, 2478714, 2630472, 2832816, 3068884, 3304952, 4603326, 4957428, 5260944, 5370547, 6137768, 6609904, 9206652, 9914856, 10741094, 12275536, 16111641, 18413304, 19829712, 21482188, 32223282, 36826608, 42964376, 64446564, 85928752, 128893128, 257786256]

約数ペア:

[(1, 257786256), (2, 128893128), (3, 85928752), (4, 64446564), (6, 42964376), (7, 36826608), (8, 32223282), (12, 21482188), (13, 19829712), (14, 18413304), (16, 16111641), (21, 12275536), (24, 10741094), (26, 9914856), (28, 9206652), (39, 6609904), (42, 6137768), (48, 5370547), (49, 5260944), (52, 4957428), (56, 4603326), (78, 3304952), (84, 3068884), (91, 2832816), (98, 2630472), (104, 2478714), (112, 2301663), (147, 1753648), (156, 1652476), (168, 1534442), (182, 1416408), (196, 1315236), (208, 1239357), (273, 944272), (294, 876824), (312, 826238), (336, 767221), (364, 708204), (392, 657618), (546, 472136), (588, 438412), (624, 413119), (637, 404688), (728, 354102), (784, 328809), (1092, 236068), (1176, 219206), (1274, 202344), (1456, 177051), (1911, 134896), (2184, 118034), (2352, 109603), (2548, 101172), (3822, 67448), (4368, 59017), (5096, 50586), (7644, 33724), (8431, 30576), (10192, 25293), (15288, 16862)]