65428412

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16811}}^1$

素因数の和:16961

約数の個数: 24

約数和(自身を含む): 131806080

約数和(自身を除く): 66377668

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 16811, 33622, 67244, 117677, 235354, 470708, 2336729, 4673458, 9346916, 16357103, 32714206, 65428412]

約数ペア:

[(1, 65428412), (2, 32714206), (4, 16357103), (7, 9346916), (14, 4673458), (28, 2336729), (139, 470708), (278, 235354), (556, 117677), (973, 67244), (1946, 33622), (3892, 16811)]