28138328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 27019432

約数列:

[1, 2, 4, 8, 31, 62, 83, 124, 166, 248, 332, 664, 1367, 2573, 2734, 5146, 5468, 10292, 10936, 20584, 42377, 84754, 113461, 169508, 226922, 339016, 453844, 907688, 3517291, 7034582, 14069164, 28138328]

約数ペア:

[(1, 28138328), (2, 14069164), (4, 7034582), (8, 3517291), (31, 907688), (62, 453844), (83, 339016), (124, 226922), (166, 169508), (248, 113461), (332, 84754), (664, 42377), (1367, 20584), (2573, 10936), (2734, 10292), (5146, 5468)]