7881484152

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:845

約数の個数: 128

約数和(自身を含む): 20840832000

約数和(自身を除く): 12959347848

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 157, 184, 199, 276, 314, 398, 457, 471, 552, 597, 628, 796, 914, 942, 1194, 1256, 1371, 1592, 1828, 1884, 2388, 2742, 3611, 3656, 3768, 4577, 4776, 5484, 7222, 9154, 10511, 10833, 10968, 13731, 14444, 18308, 21022, 21666, 27462, 28888, 31243, 31533, 36616, 42044, 43332, 54924, 62486, 63066, 71749, 84088, 86664, 90943, 93729, 109848, 124972, 126132, 143498, 181886, 187458, 215247, 249944, 252264, 272829, 286996, 363772, 374916, 430494, 545658, 573992, 718589, 727544, 749832, 860988, 1091316, 1437178, 1650227, 1721976, 2091689, 2155767, 2182632, 2874356, 3300454, 4183378, 4311534, 4950681, 5748712, 6275067, 6600908, 8366756, 8623068, 9901362, 12550134, 13201816, 14278051, 16733512, 17246136, 19802724, 25100268, 28556102, 39605448, 42834153, 50200536, 57112204, 85668306, 114224408, 171336612, 328395173, 342673224, 656790346, 985185519, 1313580692, 1970371038, 2627161384, 3940742076, 7881484152]

約数ペア:

[(1, 7881484152), (2, 3940742076), (3, 2627161384), (4, 1970371038), (6, 1313580692), (8, 985185519), (12, 656790346), (23, 342673224), (24, 328395173), (46, 171336612), (69, 114224408), (92, 85668306), (138, 57112204), (157, 50200536), (184, 42834153), (199, 39605448), (276, 28556102), (314, 25100268), (398, 19802724), (457, 17246136), (471, 16733512), (552, 14278051), (597, 13201816), (628, 12550134), (796, 9901362), (914, 8623068), (942, 8366756), (1194, 6600908), (1256, 6275067), (1371, 5748712), (1592, 4950681), (1828, 4311534), (1884, 4183378), (2388, 3300454), (2742, 2874356), (3611, 2182632), (3656, 2155767), (3768, 2091689), (4577, 1721976), (4776, 1650227), (5484, 1437178), (7222, 1091316), (9154, 860988), (10511, 749832), (10833, 727544), (10968, 718589), (13731, 573992), (14444, 545658), (18308, 430494), (21022, 374916), (21666, 363772), (27462, 286996), (28888, 272829), (31243, 252264), (31533, 249944), (36616, 215247), (42044, 187458), (43332, 181886), (54924, 143498), (62486, 126132), (63066, 124972), (71749, 109848), (84088, 93729), (86664, 90943)]