257730816

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 791175168

約数和(自身を除く): 533444352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 191, 192, 224, 251, 256, 336, 382, 384, 448, 502, 573, 672, 753, 764, 768, 896, 1004, 1146, 1337, 1344, 1506, 1528, 1757, 1792, 2008, 2292, 2674, 2688, 3012, 3056, 3514, 4011, 4016, 4584, 5271, 5348, 5376, 6024, 6112, 7028, 8022, 8032, 9168, 10542, 10696, 12048, 12224, 14056, 16044, 16064, 18336, 21084, 21392, 24096, 24448, 28112, 32088, 32128, 36672, 42168, 42784, 47941, 48192, 48896, 56224, 64176, 64256, 73344, 84336, 85568, 95882, 96384, 112448, 128352, 143823, 146688, 168672, 171136, 191764, 192768, 224896, 256704, 287646, 335587, 337344, 342272, 383528, 449792, 513408, 575292, 671174, 674688, 767056, 1006761, 1026816, 1150584, 1342348, 1349376, 1534112, 2013522, 2301168, 2684696, 3068224, 4027044, 4602336, 5369392, 6136448, 8054088, 9204672, 10738784, 12272896, 16108176, 18409344, 21477568, 32216352, 36818688, 42955136, 64432704, 85910272, 128865408, 257730816]

約数ペア:

[(1, 257730816), (2, 128865408), (3, 85910272), (4, 64432704), (6, 42955136), (7, 36818688), (8, 32216352), (12, 21477568), (14, 18409344), (16, 16108176), (21, 12272896), (24, 10738784), (28, 9204672), (32, 8054088), (42, 6136448), (48, 5369392), (56, 4602336), (64, 4027044), (84, 3068224), (96, 2684696), (112, 2301168), (128, 2013522), (168, 1534112), (191, 1349376), (192, 1342348), (224, 1150584), (251, 1026816), (256, 1006761), (336, 767056), (382, 674688), (384, 671174), (448, 575292), (502, 513408), (573, 449792), (672, 383528), (753, 342272), (764, 337344), (768, 335587), (896, 287646), (1004, 256704), (1146, 224896), (1337, 192768), (1344, 191764), (1506, 171136), (1528, 168672), (1757, 146688), (1792, 143823), (2008, 128352), (2292, 112448), (2674, 96384), (2688, 95882), (3012, 85568), (3056, 84336), (3514, 73344), (4011, 64256), (4016, 64176), (4584, 56224), (5271, 48896), (5348, 48192), (5376, 47941), (6024, 42784), (6112, 42168), (7028, 36672), (8022, 32128), (8032, 32088), (9168, 28112), (10542, 24448), (10696, 24096), (12048, 21392), (12224, 21084), (14056, 18336), (16044, 16064)]