1640253891

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 2433650400

約数和(自身を除く): 793396509

約数列:

[1, 3, 17, 29, 51, 87, 89, 267, 289, 493, 733, 867, 1479, 1513, 2199, 2581, 4539, 7743, 8381, 12461, 21257, 25143, 25721, 37383, 43877, 63771, 65237, 77163, 131631, 195711, 211837, 361369, 635511, 745909, 1084107, 1109029, 1891873, 2237727, 3327087, 5675619, 6143273, 18429819, 18853493, 32161841, 56560479, 96485523, 546751297, 1640253891]

約数ペア:

[(1, 1640253891), (3, 546751297), (17, 96485523), (29, 56560479), (51, 32161841), (87, 18853493), (89, 18429819), (267, 6143273), (289, 5675619), (493, 3327087), (733, 2237727), (867, 1891873), (1479, 1109029), (1513, 1084107), (2199, 745909), (2581, 635511), (4539, 361369), (7743, 211837), (8381, 195711), (12461, 131631), (21257, 77163), (25143, 65237), (25721, 63771), (37383, 43877)]