65281568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 151683840

約数和(自身を除く): 86402272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 43, 44, 76, 86, 88, 152, 172, 176, 209, 227, 304, 344, 352, 418, 454, 473, 608, 688, 817, 836, 908, 946, 1376, 1634, 1672, 1816, 1892, 2497, 3268, 3344, 3632, 3784, 4313, 4994, 6536, 6688, 7264, 7568, 8626, 8987, 9761, 9988, 13072, 15136, 17252, 17974, 19522, 19976, 26144, 34504, 35948, 39044, 39952, 47443, 69008, 71896, 78088, 79904, 94886, 107371, 138016, 143792, 156176, 185459, 189772, 214742, 287584, 312352, 370918, 379544, 429484, 741836, 759088, 858968, 1483672, 1518176, 1717936, 2040049, 2967344, 3435872, 4080098, 5934688, 8160196, 16320392, 32640784, 65281568]

約数ペア:

[(1, 65281568), (2, 32640784), (4, 16320392), (8, 8160196), (11, 5934688), (16, 4080098), (19, 3435872), (22, 2967344), (32, 2040049), (38, 1717936), (43, 1518176), (44, 1483672), (76, 858968), (86, 759088), (88, 741836), (152, 429484), (172, 379544), (176, 370918), (209, 312352), (227, 287584), (304, 214742), (344, 189772), (352, 185459), (418, 156176), (454, 143792), (473, 138016), (608, 107371), (688, 94886), (817, 79904), (836, 78088), (908, 71896), (946, 69008), (1376, 47443), (1634, 39952), (1672, 39044), (1816, 35948), (1892, 34504), (2497, 26144), (3268, 19976), (3344, 19522), (3632, 17974), (3784, 17252), (4313, 15136), (4994, 13072), (6536, 9988), (6688, 9761), (7264, 8987), (7568, 8626)]