279375616

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 606201344

約数和(自身を除く): 326825728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 661, 832, 1016, 1322, 1651, 1664, 2032, 2644, 3302, 3328, 4064, 5288, 6604, 8128, 8593, 10576, 13208, 16256, 17186, 21152, 26416, 32512, 34372, 42304, 52832, 68744, 83947, 84608, 105664, 137488, 167894, 169216, 211328, 274976, 335788, 422656, 549952, 671576, 1091311, 1099904, 1343152, 2182622, 2199808, 2686304, 4365244, 5372608, 8730488, 10745216, 17460976, 21490432, 34921952, 69843904, 139687808, 279375616]

約数ペア:

[(1, 279375616), (2, 139687808), (4, 69843904), (8, 34921952), (13, 21490432), (16, 17460976), (26, 10745216), (32, 8730488), (52, 5372608), (64, 4365244), (104, 2686304), (127, 2199808), (128, 2182622), (208, 1343152), (254, 1099904), (256, 1091311), (416, 671576), (508, 549952), (661, 422656), (832, 335788), (1016, 274976), (1322, 211328), (1651, 169216), (1664, 167894), (2032, 137488), (2644, 105664), (3302, 84608), (3328, 83947), (4064, 68744), (5288, 52832), (6604, 42304), (8128, 34372), (8593, 32512), (10576, 26416), (13208, 21152), (16256, 17186)]