256668984

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 828303840

約数和(自身を除く): 571634856

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 97, 99, 104, 117, 132, 143, 156, 194, 198, 234, 257, 264, 286, 291, 312, 388, 396, 429, 468, 514, 572, 582, 771, 776, 792, 858, 873, 936, 1028, 1067, 1144, 1164, 1261, 1287, 1542, 1716, 1746, 2056, 2134, 2313, 2328, 2522, 2574, 2827, 3084, 3201, 3341, 3432, 3492, 3783, 4268, 4626, 5044, 5148, 5654, 6168, 6402, 6682, 6984, 7566, 8481, 8536, 9252, 9603, 10023, 10088, 10296, 11308, 11349, 12804, 13364, 13871, 15132, 16962, 18504, 19206, 20046, 22616, 22698, 24929, 25443, 25608, 26728, 27742, 30069, 30264, 33924, 36751, 38412, 40092, 41613, 45396, 49858, 50886, 55484, 60138, 67848, 73502, 74787, 76824, 80184, 83226, 90792, 99716, 101772, 110253, 110968, 120276, 124839, 147004, 149574, 166452, 199432, 203544, 220506, 224361, 240552, 249678, 274219, 294008, 299148, 324077, 330759, 332904, 441012, 448722, 499356, 548438, 598296, 648154, 661518, 822657, 882024, 897444, 972231, 998712, 1096876, 1296308, 1323036, 1645314, 1794888, 1944462, 2193752, 2467971, 2592616, 2646072, 2916693, 3290628, 3564847, 3888924, 4935942, 5833386, 6581256, 7129694, 7777848, 9871884, 10694541, 11666772, 14259388, 19743768, 21389082, 23333544, 28518776, 32083623, 42778164, 64167246, 85556328, 128334492, 256668984]

約数ペア:

[(1, 256668984), (2, 128334492), (3, 85556328), (4, 64167246), (6, 42778164), (8, 32083623), (9, 28518776), (11, 23333544), (12, 21389082), (13, 19743768), (18, 14259388), (22, 11666772), (24, 10694541), (26, 9871884), (33, 7777848), (36, 7129694), (39, 6581256), (44, 5833386), (52, 4935942), (66, 3888924), (72, 3564847), (78, 3290628), (88, 2916693), (97, 2646072), (99, 2592616), (104, 2467971), (117, 2193752), (132, 1944462), (143, 1794888), (156, 1645314), (194, 1323036), (198, 1296308), (234, 1096876), (257, 998712), (264, 972231), (286, 897444), (291, 882024), (312, 822657), (388, 661518), (396, 648154), (429, 598296), (468, 548438), (514, 499356), (572, 448722), (582, 441012), (771, 332904), (776, 330759), (792, 324077), (858, 299148), (873, 294008), (936, 274219), (1028, 249678), (1067, 240552), (1144, 224361), (1164, 220506), (1261, 203544), (1287, 199432), (1542, 166452), (1716, 149574), (1746, 147004), (2056, 124839), (2134, 120276), (2313, 110968), (2328, 110253), (2522, 101772), (2574, 99716), (2827, 90792), (3084, 83226), (3201, 80184), (3341, 76824), (3432, 74787), (3492, 73502), (3783, 67848), (4268, 60138), (4626, 55484), (5044, 50886), (5148, 49858), (5654, 45396), (6168, 41613), (6402, 40092), (6682, 38412), (6984, 36751), (7566, 33924), (8481, 30264), (8536, 30069), (9252, 27742), (9603, 26728), (10023, 25608), (10088, 25443), (10296, 24929), (11308, 22698), (11349, 22616), (12804, 20046), (13364, 19206), (13871, 18504), (15132, 16962)]