257423712

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:485

約数の個数: 192

約数和(自身を含む): 844462080

約数和(自身を除く): 587038368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 79, 84, 91, 96, 104, 112, 156, 158, 168, 182, 208, 224, 237, 273, 312, 316, 336, 364, 373, 416, 474, 546, 553, 624, 632, 672, 728, 746, 948, 1027, 1092, 1106, 1119, 1248, 1264, 1456, 1492, 1659, 1896, 2054, 2184, 2212, 2238, 2528, 2611, 2912, 2984, 3081, 3318, 3792, 4108, 4368, 4424, 4476, 4849, 5222, 5968, 6162, 6636, 7189, 7584, 7833, 8216, 8736, 8848, 8952, 9698, 10444, 11936, 12324, 13272, 14378, 14547, 15666, 16432, 17696, 17904, 19396, 20888, 21567, 24648, 26544, 28756, 29094, 29467, 31332, 32864, 33943, 35808, 38792, 41776, 43134, 49296, 53088, 57512, 58188, 58934, 62664, 67886, 77584, 83552, 86268, 88401, 98592, 101829, 115024, 116376, 117868, 125328, 135772, 155168, 172536, 176802, 203658, 206269, 230048, 232752, 235736, 250656, 271544, 345072, 353604, 383071, 407316, 412538, 465504, 471472, 543088, 618807, 690144, 707208, 766142, 814632, 825076, 942944, 1086176, 1149213, 1237614, 1414416, 1532284, 1629264, 1650152, 2298426, 2475228, 2681497, 2828832, 3064568, 3258528, 3300304, 4596852, 4950456, 5362994, 6129136, 6600608, 8044491, 9193704, 9900912, 10725988, 12258272, 16088982, 18387408, 19801824, 21451976, 32177964, 36774816, 42903952, 64355928, 85807904, 128711856, 257423712]

約数ペア:

[(1, 257423712), (2, 128711856), (3, 85807904), (4, 64355928), (6, 42903952), (7, 36774816), (8, 32177964), (12, 21451976), (13, 19801824), (14, 18387408), (16, 16088982), (21, 12258272), (24, 10725988), (26, 9900912), (28, 9193704), (32, 8044491), (39, 6600608), (42, 6129136), (48, 5362994), (52, 4950456), (56, 4596852), (78, 3300304), (79, 3258528), (84, 3064568), (91, 2828832), (96, 2681497), (104, 2475228), (112, 2298426), (156, 1650152), (158, 1629264), (168, 1532284), (182, 1414416), (208, 1237614), (224, 1149213), (237, 1086176), (273, 942944), (312, 825076), (316, 814632), (336, 766142), (364, 707208), (373, 690144), (416, 618807), (474, 543088), (546, 471472), (553, 465504), (624, 412538), (632, 407316), (672, 383071), (728, 353604), (746, 345072), (948, 271544), (1027, 250656), (1092, 235736), (1106, 232752), (1119, 230048), (1248, 206269), (1264, 203658), (1456, 176802), (1492, 172536), (1659, 155168), (1896, 135772), (2054, 125328), (2184, 117868), (2212, 116376), (2238, 115024), (2528, 101829), (2611, 98592), (2912, 88401), (2984, 86268), (3081, 83552), (3318, 77584), (3792, 67886), (4108, 62664), (4368, 58934), (4424, 58188), (4476, 57512), (4849, 53088), (5222, 49296), (5968, 43134), (6162, 41776), (6636, 38792), (7189, 35808), (7584, 33943), (7833, 32864), (8216, 31332), (8736, 29467), (8848, 29094), (8952, 28756), (9698, 26544), (10444, 24648), (11936, 21567), (12324, 20888), (13272, 19396), (14378, 17904), (14547, 17696), (15666, 16432)]