257421888

素因数分解:

$2^6\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 280

約数和(自身を含む): 849733632

約数和(自身を除く): 592311744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 23, 24, 27, 32, 34, 36, 46, 48, 51, 54, 64, 68, 69, 72, 81, 92, 96, 102, 108, 127, 136, 138, 144, 153, 162, 184, 192, 204, 207, 216, 254, 272, 276, 288, 306, 324, 368, 381, 391, 408, 414, 432, 459, 508, 544, 552, 576, 612, 621, 648, 736, 762, 782, 816, 828, 864, 918, 1016, 1088, 1104, 1143, 1173, 1224, 1242, 1296, 1377, 1472, 1524, 1564, 1632, 1656, 1728, 1836, 1863, 2032, 2159, 2208, 2286, 2346, 2448, 2484, 2592, 2754, 2921, 3048, 3128, 3264, 3312, 3429, 3519, 3672, 3726, 4064, 4318, 4416, 4572, 4692, 4896, 4968, 5184, 5508, 5842, 6096, 6256, 6477, 6624, 6858, 7038, 7344, 7452, 8128, 8636, 8763, 9144, 9384, 9792, 9936, 10287, 10557, 11016, 11684, 12192, 12512, 12954, 13248, 13716, 14076, 14688, 14904, 17272, 17526, 18288, 18768, 19431, 19872, 20574, 21114, 22032, 23368, 24384, 25024, 25908, 26289, 27432, 28152, 29376, 29808, 31671, 34544, 35052, 36576, 37536, 38862, 39744, 41148, 42228, 44064, 46736, 49657, 51816, 52578, 54864, 56304, 58293, 59616, 63342, 69088, 70104, 73152, 75072, 77724, 78867, 82296, 84456, 88128, 93472, 99314, 103632, 105156, 109728, 112608, 116586, 119232, 126684, 138176, 140208, 148971, 155448, 157734, 164592, 168912, 174879, 186944, 198628, 207264, 210312, 219456, 225216, 233172, 236601, 253368, 280416, 297942, 310896, 315468, 329184, 337824, 349758, 397256, 414528, 420624, 446913, 466344, 473202, 506736, 560832, 595884, 621792, 630936, 658368, 675648, 699516, 794512, 841248, 893826, 932688, 946404, 1013472, 1191768, 1243584, 1261872, 1340739, 1399032, 1589024, 1682496, 1787652, 1865376, 1892808, 2026944, 2383536, 2523744, 2681478, 2798064, 3178048, 3575304, 3730752, 3785616, 4022217, 4767072, 5047488, 5362956, 5596128, 7150608, 7571232, 8044434, 9534144, 10725912, 11192256, 14301216, 15142464, 16088868, 21451824, 28602432, 32177736, 42903648, 64355472, 85807296, 128710944, 257421888]

約数ペア:

[(1, 257421888), (2, 128710944), (3, 85807296), (4, 64355472), (6, 42903648), (8, 32177736), (9, 28602432), (12, 21451824), (16, 16088868), (17, 15142464), (18, 14301216), (23, 11192256), (24, 10725912), (27, 9534144), (32, 8044434), (34, 7571232), (36, 7150608), (46, 5596128), (48, 5362956), (51, 5047488), (54, 4767072), (64, 4022217), (68, 3785616), (69, 3730752), (72, 3575304), (81, 3178048), (92, 2798064), (96, 2681478), (102, 2523744), (108, 2383536), (127, 2026944), (136, 1892808), (138, 1865376), (144, 1787652), (153, 1682496), (162, 1589024), (184, 1399032), (192, 1340739), (204, 1261872), (207, 1243584), (216, 1191768), (254, 1013472), (272, 946404), (276, 932688), (288, 893826), (306, 841248), (324, 794512), (368, 699516), (381, 675648), (391, 658368), (408, 630936), (414, 621792), (432, 595884), (459, 560832), (508, 506736), (544, 473202), (552, 466344), (576, 446913), (612, 420624), (621, 414528), (648, 397256), (736, 349758), (762, 337824), (782, 329184), (816, 315468), (828, 310896), (864, 297942), (918, 280416), (1016, 253368), (1088, 236601), (1104, 233172), (1143, 225216), (1173, 219456), (1224, 210312), (1242, 207264), (1296, 198628), (1377, 186944), (1472, 174879), (1524, 168912), (1564, 164592), (1632, 157734), (1656, 155448), (1728, 148971), (1836, 140208), (1863, 138176), (2032, 126684), (2159, 119232), (2208, 116586), (2286, 112608), (2346, 109728), (2448, 105156), (2484, 103632), (2592, 99314), (2754, 93472), (2921, 88128), (3048, 84456), (3128, 82296), (3264, 78867), (3312, 77724), (3429, 75072), (3519, 73152), (3672, 70104), (3726, 69088), (4064, 63342), (4318, 59616), (4416, 58293), (4572, 56304), (4692, 54864), (4896, 52578), (4968, 51816), (5184, 49657), (5508, 46736), (5842, 44064), (6096, 42228), (6256, 41148), (6477, 39744), (6624, 38862), (6858, 37536), (7038, 36576), (7344, 35052), (7452, 34544), (8128, 31671), (8636, 29808), (8763, 29376), (9144, 28152), (9384, 27432), (9792, 26289), (9936, 25908), (10287, 25024), (10557, 24384), (11016, 23368), (11684, 22032), (12192, 21114), (12512, 20574), (12954, 19872), (13248, 19431), (13716, 18768), (14076, 18288), (14688, 17526), (14904, 17272)]