256763136

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{6823}}^1$

素因数の和:6856

約数の個数: 108

約数和(自身を含む): 795050592

約数和(自身を除く): 538287456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 588, 672, 768, 784, 896, 1176, 1344, 1568, 1792, 2352, 2688, 3136, 4704, 5376, 6272, 6823, 9408, 12544, 13646, 18816, 20469, 27292, 37632, 40938, 47761, 54584, 81876, 95522, 109168, 143283, 163752, 191044, 218336, 286566, 327504, 334327, 382088, 436672, 573132, 655008, 668654, 764176, 873344, 1002981, 1146264, 1310016, 1337308, 1528352, 1746688, 2005962, 2292528, 2620032, 2674616, 3056704, 4011924, 4585056, 5240064, 5349232, 6113408, 8023848, 9170112, 10698464, 12226816, 16047696, 18340224, 21396928, 32095392, 36680448, 42793856, 64190784, 85587712, 128381568, 256763136]

約数ペア:

[(1, 256763136), (2, 128381568), (3, 85587712), (4, 64190784), (6, 42793856), (7, 36680448), (8, 32095392), (12, 21396928), (14, 18340224), (16, 16047696), (21, 12226816), (24, 10698464), (28, 9170112), (32, 8023848), (42, 6113408), (48, 5349232), (49, 5240064), (56, 4585056), (64, 4011924), (84, 3056704), (96, 2674616), (98, 2620032), (112, 2292528), (128, 2005962), (147, 1746688), (168, 1528352), (192, 1337308), (196, 1310016), (224, 1146264), (256, 1002981), (294, 873344), (336, 764176), (384, 668654), (392, 655008), (448, 573132), (588, 436672), (672, 382088), (768, 334327), (784, 327504), (896, 286566), (1176, 218336), (1344, 191044), (1568, 163752), (1792, 143283), (2352, 109168), (2688, 95522), (3136, 81876), (4704, 54584), (5376, 47761), (6272, 40938), (6823, 37632), (9408, 27292), (12544, 20469), (13646, 18816)]