28165552

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 55996416

約数和(自身を除く): 27830864

約数列:

[1, 2, 4, 8, 16, 83, 127, 166, 167, 254, 332, 334, 508, 664, 668, 1016, 1328, 1336, 2032, 2672, 10541, 13861, 21082, 21209, 27722, 42164, 42418, 55444, 84328, 84836, 110888, 168656, 169672, 221776, 339344, 1760347, 3520694, 7041388, 14082776, 28165552]

約数ペア:

[(1, 28165552), (2, 14082776), (4, 7041388), (8, 3520694), (16, 1760347), (83, 339344), (127, 221776), (166, 169672), (167, 168656), (254, 110888), (332, 84836), (334, 84328), (508, 55444), (664, 42418), (668, 42164), (1016, 27722), (1328, 21209), (1336, 21082), (2032, 13861), (2672, 10541)]