207720128

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 112

約数和(自身を含む): 523085568

約数和(自身を除く): 315365440

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 77, 88, 112, 122, 154, 176, 224, 244, 308, 352, 427, 448, 488, 616, 671, 691, 704, 854, 976, 1232, 1342, 1382, 1708, 1952, 2464, 2684, 2764, 3416, 3904, 4697, 4837, 4928, 5368, 5528, 6832, 7601, 9394, 9674, 10736, 11056, 13664, 15202, 18788, 19348, 21472, 22112, 27328, 30404, 37576, 38696, 42151, 42944, 44224, 53207, 60808, 75152, 77392, 84302, 106414, 121616, 150304, 154784, 168604, 212828, 243232, 295057, 300608, 309568, 337208, 425656, 463661, 486464, 590114, 674416, 851312, 927322, 1180228, 1348832, 1702624, 1854644, 2360456, 2697664, 3245627, 3405248, 3709288, 4720912, 6491254, 7418576, 9441824, 12982508, 14837152, 18883648, 25965016, 29674304, 51930032, 103860064, 207720128]

約数ペア:

[(1, 207720128), (2, 103860064), (4, 51930032), (7, 29674304), (8, 25965016), (11, 18883648), (14, 14837152), (16, 12982508), (22, 9441824), (28, 7418576), (32, 6491254), (44, 4720912), (56, 3709288), (61, 3405248), (64, 3245627), (77, 2697664), (88, 2360456), (112, 1854644), (122, 1702624), (154, 1348832), (176, 1180228), (224, 927322), (244, 851312), (308, 674416), (352, 590114), (427, 486464), (448, 463661), (488, 425656), (616, 337208), (671, 309568), (691, 300608), (704, 295057), (854, 243232), (976, 212828), (1232, 168604), (1342, 154784), (1382, 150304), (1708, 121616), (1952, 106414), (2464, 84302), (2684, 77392), (2764, 75152), (3416, 60808), (3904, 53207), (4697, 44224), (4837, 42944), (4928, 42151), (5368, 38696), (5528, 37576), (6832, 30404), (7601, 27328), (9394, 22112), (9674, 21472), (10736, 19348), (11056, 18788), (13664, 15202)]