81916189568

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{9011}}^1$

素因数の和:9164

約数の個数: 128

約数和(自身を含む): 176491008000

約数和(自身を除く): 94574818432

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 79, 116, 124, 128, 158, 232, 248, 316, 464, 496, 632, 899, 928, 992, 1264, 1798, 1856, 1984, 2291, 2449, 2528, 3596, 3712, 3968, 4582, 4898, 5056, 7192, 9011, 9164, 9796, 10112, 14384, 18022, 18328, 19592, 28768, 36044, 36656, 39184, 57536, 71021, 72088, 73312, 78368, 115072, 142042, 144176, 146624, 156736, 261319, 279341, 284084, 288352, 293248, 313472, 522638, 558682, 568168, 576704, 711869, 1045276, 1117364, 1136336, 1153408, 1423738, 2090552, 2234728, 2272672, 2847476, 4181104, 4469456, 4545344, 5694952, 8100889, 8362208, 8938912, 9090688, 11389904, 16201778, 16724416, 17877824, 20644201, 22067939, 22779808, 32403556, 33448832, 35755648, 41288402, 44135878, 45559616, 64807112, 82576804, 88271756, 91119232, 129614224, 165153608, 176543512, 259228448, 330307216, 353087024, 518456896, 639970231, 660614432, 706174048, 1036913792, 1279940462, 1321228864, 1412348096, 2559880924, 2642457728, 2824696192, 5119761848, 10239523696, 20479047392, 40958094784, 81916189568]

約数ペア:

[(1, 81916189568), (2, 40958094784), (4, 20479047392), (8, 10239523696), (16, 5119761848), (29, 2824696192), (31, 2642457728), (32, 2559880924), (58, 1412348096), (62, 1321228864), (64, 1279940462), (79, 1036913792), (116, 706174048), (124, 660614432), (128, 639970231), (158, 518456896), (232, 353087024), (248, 330307216), (316, 259228448), (464, 176543512), (496, 165153608), (632, 129614224), (899, 91119232), (928, 88271756), (992, 82576804), (1264, 64807112), (1798, 45559616), (1856, 44135878), (1984, 41288402), (2291, 35755648), (2449, 33448832), (2528, 32403556), (3596, 22779808), (3712, 22067939), (3968, 20644201), (4582, 17877824), (4898, 16724416), (5056, 16201778), (7192, 11389904), (9011, 9090688), (9164, 8938912), (9796, 8362208), (10112, 8100889), (14384, 5694952), (18022, 4545344), (18328, 4469456), (19592, 4181104), (28768, 2847476), (36044, 2272672), (36656, 2234728), (39184, 2090552), (57536, 1423738), (71021, 1153408), (72088, 1136336), (73312, 1117364), (78368, 1045276), (115072, 711869), (142042, 576704), (144176, 568168), (146624, 558682), (156736, 522638), (261319, 313472), (279341, 293248), (284084, 288352)]