256912656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5347}}^1$

素因数の和:5389

約数の個数: 160

約数和(自身を含む): 891276288

約数和(自身を除く): 634363632

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 231, 264, 273, 286, 308, 312, 336, 364, 429, 462, 528, 546, 572, 616, 624, 728, 858, 924, 1001, 1092, 1144, 1232, 1456, 1716, 1848, 2002, 2184, 2288, 3003, 3432, 3696, 4004, 4368, 5347, 6006, 6864, 8008, 10694, 12012, 16016, 16041, 21388, 24024, 32082, 37429, 42776, 48048, 58817, 64164, 69511, 74858, 85552, 112287, 117634, 128328, 139022, 149716, 176451, 208533, 224574, 235268, 256656, 278044, 299432, 352902, 411719, 417066, 449148, 470536, 486577, 556088, 598864, 705804, 764621, 823438, 834132, 898296, 941072, 973154, 1112176, 1235157, 1411608, 1459731, 1529242, 1646876, 1668264, 1796592, 1946308, 2293863, 2470314, 2823216, 2919462, 3058484, 3293752, 3336528, 3892616, 4587726, 4940628, 5352347, 5838924, 6116968, 6587504, 7785232, 9175452, 9881256, 10704694, 11677848, 12233936, 16057041, 18350904, 19762512, 21409388, 23355696, 32114082, 36701808, 42818776, 64228164, 85637552, 128456328, 256912656]

約数ペア:

[(1, 256912656), (2, 128456328), (3, 85637552), (4, 64228164), (6, 42818776), (7, 36701808), (8, 32114082), (11, 23355696), (12, 21409388), (13, 19762512), (14, 18350904), (16, 16057041), (21, 12233936), (22, 11677848), (24, 10704694), (26, 9881256), (28, 9175452), (33, 7785232), (39, 6587504), (42, 6116968), (44, 5838924), (48, 5352347), (52, 4940628), (56, 4587726), (66, 3892616), (77, 3336528), (78, 3293752), (84, 3058484), (88, 2919462), (91, 2823216), (104, 2470314), (112, 2293863), (132, 1946308), (143, 1796592), (154, 1668264), (156, 1646876), (168, 1529242), (176, 1459731), (182, 1411608), (208, 1235157), (231, 1112176), (264, 973154), (273, 941072), (286, 898296), (308, 834132), (312, 823438), (336, 764621), (364, 705804), (429, 598864), (462, 556088), (528, 486577), (546, 470536), (572, 449148), (616, 417066), (624, 411719), (728, 352902), (858, 299432), (924, 278044), (1001, 256656), (1092, 235268), (1144, 224574), (1232, 208533), (1456, 176451), (1716, 149716), (1848, 139022), (2002, 128328), (2184, 117634), (2288, 112287), (3003, 85552), (3432, 74858), (3696, 69511), (4004, 64164), (4368, 58817), (5347, 48048), (6006, 42776), (6864, 37429), (8008, 32082), (10694, 24024), (12012, 21388), (16016, 16041)]