28642878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13151}}^1$

素因数の和:13181

約数の個数: 36

約数和(自身を含む): 68219424

約数和(自身を除く): 39576546

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 13151, 26302, 39453, 78906, 118359, 144661, 236718, 289322, 433983, 867966, 1301949, 1591271, 2603898, 3182542, 4773813, 9547626, 14321439, 28642878]

約数ペア:

[(1, 28642878), (2, 14321439), (3, 9547626), (6, 4773813), (9, 3182542), (11, 2603898), (18, 1591271), (22, 1301949), (33, 867966), (66, 433983), (99, 289322), (121, 236718), (198, 144661), (242, 118359), (363, 78906), (726, 39453), (1089, 26302), (2178, 13151)]