28686438

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13171}}^1$

素因数の和:13201

約数の個数: 36

約数和(自身を含む): 68323164

約数和(自身を除く): 39636726

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 13171, 26342, 39513, 79026, 118539, 144881, 237078, 289762, 434643, 869286, 1303929, 1593691, 2607858, 3187382, 4781073, 9562146, 14343219, 28686438]

約数ペア:

[(1, 28686438), (2, 14343219), (3, 9562146), (6, 4781073), (9, 3187382), (11, 2607858), (18, 1593691), (22, 1303929), (33, 869286), (66, 434643), (99, 289762), (121, 237078), (198, 144881), (242, 118539), (363, 79026), (726, 39513), (1089, 26342), (2178, 13171)]