28308878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25321}}^1$

素因数の和:25379

約数の個数: 16

約数和(自身を含む): 46795056

約数和(自身を除く): 18486178

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 25321, 50642, 329173, 658346, 1088803, 2177606, 14154439, 28308878]

約数ペア:

[(1, 28308878), (2, 14154439), (13, 2177606), (26, 1088803), (43, 658346), (86, 329173), (559, 50642), (1118, 25321)]