28145392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3781

約数の個数: 40

約数和(自身を含む): 60888960

約数和(自身を除く): 32743568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3719, 3784, 7438, 7568, 14876, 29752, 40909, 59504, 81818, 159917, 163636, 319834, 327272, 639668, 654544, 1279336, 1759087, 2558672, 3518174, 7036348, 14072696, 28145392]

約数ペア:

[(1, 28145392), (2, 14072696), (4, 7036348), (8, 3518174), (11, 2558672), (16, 1759087), (22, 1279336), (43, 654544), (44, 639668), (86, 327272), (88, 319834), (172, 163636), (176, 159917), (344, 81818), (473, 59504), (688, 40909), (946, 29752), (1892, 14876), (3719, 7568), (3784, 7438)]