28268838

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 70578816

約数和(自身を除く): 42309978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 234, 279, 351, 403, 433, 558, 702, 806, 837, 866, 1053, 1209, 1299, 1674, 2106, 2418, 2511, 2598, 3627, 3897, 5022, 5629, 7254, 7794, 10881, 11258, 11691, 13423, 16887, 21762, 23382, 26846, 32643, 33774, 35073, 40269, 50661, 65286, 70146, 80538, 101322, 120807, 151983, 174499, 241614, 303966, 348998, 362421, 455949, 523497, 724842, 911898, 1046994, 1087263, 1570491, 2174526, 3140982, 4711473, 9422946, 14134419, 28268838]

約数ペア:

[(1, 28268838), (2, 14134419), (3, 9422946), (6, 4711473), (9, 3140982), (13, 2174526), (18, 1570491), (26, 1087263), (27, 1046994), (31, 911898), (39, 724842), (54, 523497), (62, 455949), (78, 362421), (81, 348998), (93, 303966), (117, 241614), (162, 174499), (186, 151983), (234, 120807), (279, 101322), (351, 80538), (403, 70146), (433, 65286), (558, 50661), (702, 40269), (806, 35073), (837, 33774), (866, 32643), (1053, 26846), (1209, 23382), (1299, 21762), (1674, 16887), (2106, 13423), (2418, 11691), (2511, 11258), (2598, 10881), (3627, 7794), (3897, 7254), (5022, 5629)]