256814208

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{31847}}^1$

素因数の和:31874

約数の個数: 96

約数和(自身を含む): 844608960

約数和(自身を除く): 587794752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2688, 4032, 8064, 31847, 63694, 95541, 127388, 191082, 222929, 254776, 286623, 382164, 445858, 509552, 573246, 668787, 764328, 891716, 1019104, 1146492, 1337574, 1528656, 1783432, 2006361, 2038208, 2292984, 2675148, 3057312, 3566864, 4012722, 4076416, 4585968, 5350296, 6114624, 7133728, 8025444, 9171936, 10700592, 12229248, 14267456, 16050888, 18343872, 21401184, 28534912, 32101776, 36687744, 42802368, 64203552, 85604736, 128407104, 256814208]

約数ペア:

[(1, 256814208), (2, 128407104), (3, 85604736), (4, 64203552), (6, 42802368), (7, 36687744), (8, 32101776), (9, 28534912), (12, 21401184), (14, 18343872), (16, 16050888), (18, 14267456), (21, 12229248), (24, 10700592), (28, 9171936), (32, 8025444), (36, 7133728), (42, 6114624), (48, 5350296), (56, 4585968), (63, 4076416), (64, 4012722), (72, 3566864), (84, 3057312), (96, 2675148), (112, 2292984), (126, 2038208), (128, 2006361), (144, 1783432), (168, 1528656), (192, 1337574), (224, 1146492), (252, 1019104), (288, 891716), (336, 764328), (384, 668787), (448, 573246), (504, 509552), (576, 445858), (672, 382164), (896, 286623), (1008, 254776), (1152, 222929), (1344, 191082), (2016, 127388), (2688, 95541), (4032, 63694), (8064, 31847)]