257025216

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 168

約数和(自身を含む): 807110400

約数和(自身を除く): 550085184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 199, 217, 224, 248, 336, 372, 398, 434, 448, 496, 597, 651, 672, 744, 796, 868, 961, 992, 1194, 1302, 1344, 1393, 1488, 1592, 1736, 1922, 1984, 2388, 2604, 2786, 2883, 2976, 3184, 3472, 3844, 4179, 4776, 5208, 5572, 5766, 5952, 6169, 6368, 6727, 6944, 7688, 8358, 9552, 10416, 11144, 11532, 12338, 12736, 13454, 13888, 15376, 16716, 18507, 19104, 20181, 20832, 22288, 23064, 24676, 26908, 30752, 33432, 37014, 38208, 40362, 41664, 43183, 44576, 46128, 49352, 53816, 61504, 66864, 74028, 80724, 86366, 89152, 92256, 98704, 107632, 129549, 133728, 148056, 161448, 172732, 184512, 191239, 197408, 215264, 259098, 267456, 296112, 322896, 345464, 382478, 394816, 430528, 518196, 573717, 592224, 645792, 690928, 764956, 1036392, 1147434, 1184448, 1291584, 1338673, 1381856, 1529912, 2072784, 2294868, 2677346, 2763712, 3059824, 4016019, 4145568, 4589736, 5354692, 6119648, 8032038, 8291136, 9179472, 10709384, 12239296, 16064076, 18358944, 21418768, 32128152, 36717888, 42837536, 64256304, 85675072, 128512608, 257025216]

約数ペア:

[(1, 257025216), (2, 128512608), (3, 85675072), (4, 64256304), (6, 42837536), (7, 36717888), (8, 32128152), (12, 21418768), (14, 18358944), (16, 16064076), (21, 12239296), (24, 10709384), (28, 9179472), (31, 8291136), (32, 8032038), (42, 6119648), (48, 5354692), (56, 4589736), (62, 4145568), (64, 4016019), (84, 3059824), (93, 2763712), (96, 2677346), (112, 2294868), (124, 2072784), (168, 1529912), (186, 1381856), (192, 1338673), (199, 1291584), (217, 1184448), (224, 1147434), (248, 1036392), (336, 764956), (372, 690928), (398, 645792), (434, 592224), (448, 573717), (496, 518196), (597, 430528), (651, 394816), (672, 382478), (744, 345464), (796, 322896), (868, 296112), (961, 267456), (992, 259098), (1194, 215264), (1302, 197408), (1344, 191239), (1393, 184512), (1488, 172732), (1592, 161448), (1736, 148056), (1922, 133728), (1984, 129549), (2388, 107632), (2604, 98704), (2786, 92256), (2883, 89152), (2976, 86366), (3184, 80724), (3472, 74028), (3844, 66864), (4179, 61504), (4776, 53816), (5208, 49352), (5572, 46128), (5766, 44576), (5952, 43183), (6169, 41664), (6368, 40362), (6727, 38208), (6944, 37014), (7688, 33432), (8358, 30752), (9552, 26908), (10416, 24676), (11144, 23064), (11532, 22288), (12338, 20832), (12736, 20181), (13454, 19104), (13888, 18507), (15376, 16716)]