638771328

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 2118404340

約数和(自身を除く): 1479633012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 64, 68, 72, 78, 96, 102, 104, 117, 128, 136, 144, 153, 156, 169, 192, 193, 204, 208, 221, 234, 272, 288, 306, 312, 338, 384, 386, 408, 416, 442, 468, 507, 544, 576, 579, 612, 624, 663, 676, 772, 816, 832, 884, 936, 1014, 1088, 1152, 1158, 1224, 1248, 1326, 1352, 1521, 1544, 1632, 1664, 1737, 1768, 1872, 1989, 2028, 2176, 2316, 2448, 2496, 2509, 2652, 2704, 2873, 3042, 3088, 3264, 3281, 3474, 3536, 3744, 3978, 4056, 4632, 4896, 4992, 5018, 5304, 5408, 5746, 6084, 6176, 6528, 6562, 6948, 7072, 7488, 7527, 7956, 8112, 8619, 9264, 9792, 9843, 10036, 10608, 10816, 11492, 12168, 12352, 13124, 13896, 14144, 14976, 15054, 15912, 16224, 17238, 18528, 19584, 19686, 20072, 21216, 21632, 22581, 22984, 24336, 24704, 25857, 26248, 27792, 28288, 29529, 30108, 31824, 32448, 32617, 34476, 37056, 39372, 40144, 42432, 42653, 45162, 45968, 48672, 51714, 52496, 55584, 59058, 60216, 63648, 64896, 65234, 68952, 74112, 78744, 80288, 84864, 85306, 90324, 91936, 97344, 97851, 103428, 104992, 111168, 118116, 120432, 127296, 127959, 130468, 137904, 157488, 160576, 170612, 180648, 183872, 194688, 195702, 206856, 209984, 222336, 236232, 240864, 254592, 255918, 260936, 275808, 293553, 314976, 321152, 341224, 361296, 367744, 383877, 391404, 413712, 419968, 472464, 481728, 511836, 521872, 551616, 554489, 587106, 629952, 682448, 722592, 767754, 782808, 827424, 944928, 963456, 1023672, 1043744, 1103232, 1108978, 1174212, 1259904, 1364896, 1445184, 1535508, 1565616, 1654848, 1663467, 1889856, 2047344, 2087488, 2217956, 2348424, 2729792, 2890368, 3071016, 3131232, 3309696, 3326934, 3779712, 4094688, 4174976, 4435912, 4696848, 4990401, 5459584, 6142032, 6262464, 6653868, 8189376, 8871824, 9393696, 9980802, 12284064, 12524928, 13307736, 16378752, 17743648, 18787392, 19961604, 24568128, 26615472, 35487296, 37574784, 39923208, 49136256, 53230944, 70974592, 79846416, 106461888, 159692832, 212923776, 319385664, 638771328]

約数ペア:

[(1, 638771328), (2, 319385664), (3, 212923776), (4, 159692832), (6, 106461888), (8, 79846416), (9, 70974592), (12, 53230944), (13, 49136256), (16, 39923208), (17, 37574784), (18, 35487296), (24, 26615472), (26, 24568128), (32, 19961604), (34, 18787392), (36, 17743648), (39, 16378752), (48, 13307736), (51, 12524928), (52, 12284064), (64, 9980802), (68, 9393696), (72, 8871824), (78, 8189376), (96, 6653868), (102, 6262464), (104, 6142032), (117, 5459584), (128, 4990401), (136, 4696848), (144, 4435912), (153, 4174976), (156, 4094688), (169, 3779712), (192, 3326934), (193, 3309696), (204, 3131232), (208, 3071016), (221, 2890368), (234, 2729792), (272, 2348424), (288, 2217956), (306, 2087488), (312, 2047344), (338, 1889856), (384, 1663467), (386, 1654848), (408, 1565616), (416, 1535508), (442, 1445184), (468, 1364896), (507, 1259904), (544, 1174212), (576, 1108978), (579, 1103232), (612, 1043744), (624, 1023672), (663, 963456), (676, 944928), (772, 827424), (816, 782808), (832, 767754), (884, 722592), (936, 682448), (1014, 629952), (1088, 587106), (1152, 554489), (1158, 551616), (1224, 521872), (1248, 511836), (1326, 481728), (1352, 472464), (1521, 419968), (1544, 413712), (1632, 391404), (1664, 383877), (1737, 367744), (1768, 361296), (1872, 341224), (1989, 321152), (2028, 314976), (2176, 293553), (2316, 275808), (2448, 260936), (2496, 255918), (2509, 254592), (2652, 240864), (2704, 236232), (2873, 222336), (3042, 209984), (3088, 206856), (3264, 195702), (3281, 194688), (3474, 183872), (3536, 180648), (3744, 170612), (3978, 160576), (4056, 157488), (4632, 137904), (4896, 130468), (4992, 127959), (5018, 127296), (5304, 120432), (5408, 118116), (5746, 111168), (6084, 104992), (6176, 103428), (6528, 97851), (6562, 97344), (6948, 91936), (7072, 90324), (7488, 85306), (7527, 84864), (7956, 80288), (8112, 78744), (8619, 74112), (9264, 68952), (9792, 65234), (9843, 64896), (10036, 63648), (10608, 60216), (10816, 59058), (11492, 55584), (12168, 52496), (12352, 51714), (13124, 48672), (13896, 45968), (14144, 45162), (14976, 42653), (15054, 42432), (15912, 40144), (16224, 39372), (17238, 37056), (18528, 34476), (19584, 32617), (19686, 32448), (20072, 31824), (21216, 30108), (21632, 29529), (22581, 28288), (22984, 27792), (24336, 26248), (24704, 25857)]