81189248

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 198451200

約数和(自身を除く): 117261952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 79, 112, 124, 128, 148, 158, 217, 224, 248, 259, 296, 316, 434, 448, 496, 518, 553, 592, 632, 868, 896, 992, 1036, 1106, 1147, 1184, 1264, 1736, 1984, 2072, 2212, 2294, 2368, 2449, 2528, 2923, 3472, 3968, 4144, 4424, 4588, 4736, 4898, 5056, 5846, 6944, 8029, 8288, 8848, 9176, 9796, 10112, 11692, 13888, 16058, 16576, 17143, 17696, 18352, 19592, 20461, 23384, 27776, 32116, 33152, 34286, 35392, 36704, 39184, 40922, 46768, 64232, 68572, 70784, 73408, 78368, 81844, 90613, 93536, 128464, 137144, 146816, 156736, 163688, 181226, 187072, 256928, 274288, 313472, 327376, 362452, 374144, 513856, 548576, 634291, 654752, 724904, 1027712, 1097152, 1268582, 1309504, 1449808, 2194304, 2537164, 2619008, 2899616, 5074328, 5799232, 10148656, 11598464, 20297312, 40594624, 81189248]

約数ペア:

[(1, 81189248), (2, 40594624), (4, 20297312), (7, 11598464), (8, 10148656), (14, 5799232), (16, 5074328), (28, 2899616), (31, 2619008), (32, 2537164), (37, 2194304), (56, 1449808), (62, 1309504), (64, 1268582), (74, 1097152), (79, 1027712), (112, 724904), (124, 654752), (128, 634291), (148, 548576), (158, 513856), (217, 374144), (224, 362452), (248, 327376), (259, 313472), (296, 274288), (316, 256928), (434, 187072), (448, 181226), (496, 163688), (518, 156736), (553, 146816), (592, 137144), (632, 128464), (868, 93536), (896, 90613), (992, 81844), (1036, 78368), (1106, 73408), (1147, 70784), (1184, 68572), (1264, 64232), (1736, 46768), (1984, 40922), (2072, 39184), (2212, 36704), (2294, 35392), (2368, 34286), (2449, 33152), (2528, 32116), (2923, 27776), (3472, 23384), (3968, 20461), (4144, 19592), (4424, 18352), (4588, 17696), (4736, 17143), (4898, 16576), (5056, 16058), (5846, 13888), (6944, 11692), (8029, 10112), (8288, 9796), (8848, 9176)]