28487756

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 55636560

約数和(自身を除く): 27148804

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 781, 829, 1562, 1658, 3124, 3316, 8591, 9119, 17182, 18238, 34364, 36476, 58859, 100309, 117718, 200618, 235436, 401236, 647449, 1294898, 2589796, 7121939, 14243878, 28487756]

約数ペア:

[(1, 28487756), (2, 14243878), (4, 7121939), (11, 2589796), (22, 1294898), (44, 647449), (71, 401236), (121, 235436), (142, 200618), (242, 117718), (284, 100309), (484, 58859), (781, 36476), (829, 34364), (1562, 18238), (1658, 17182), (3124, 9119), (3316, 8591)]