81864266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{14479}}^1$

素因数の和:14749

約数の個数: 16

約数和(自身を含む): 134490240

約数和(自身を除く): 52625974

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5654, 14479, 28958, 159269, 318538, 3721103, 7442206, 40932133, 81864266]

約数ペア:

[(1, 81864266), (2, 40932133), (11, 7442206), (22, 3721103), (257, 318538), (514, 159269), (2827, 28958), (5654, 14479)]