28666818

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{7477}}^1$

素因数の和:7559

約数の個数: 32

約数和(自身を含む): 64609920

約数和(自身を除く): 35943102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 7477, 14954, 22431, 44862, 67293, 134586, 201879, 403758, 530867, 1061734, 1592601, 3185202, 4777803, 9555606, 14333409, 28666818]

約数ペア:

[(1, 28666818), (2, 14333409), (3, 9555606), (6, 4777803), (9, 3185202), (18, 1592601), (27, 1061734), (54, 530867), (71, 403758), (142, 201879), (213, 134586), (426, 67293), (639, 44862), (1278, 22431), (1917, 14954), (3834, 7477)]