28121742

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:435

約数の個数: 80

約数和(自身を含む): 70532352

約数和(自身を除く): 42410610

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 81, 86, 99, 129, 162, 198, 258, 297, 367, 387, 473, 594, 734, 774, 891, 946, 1101, 1161, 1419, 1782, 2202, 2322, 2838, 3303, 3483, 4037, 4257, 6606, 6966, 8074, 8514, 9909, 12111, 12771, 15781, 19818, 24222, 25542, 29727, 31562, 36333, 38313, 47343, 59454, 72666, 76626, 94686, 108999, 142029, 173591, 217998, 284058, 326997, 347182, 426087, 520773, 653994, 852174, 1041546, 1278261, 1562319, 2556522, 3124638, 4686957, 9373914, 14060871, 28121742]

約数ペア:

[(1, 28121742), (2, 14060871), (3, 9373914), (6, 4686957), (9, 3124638), (11, 2556522), (18, 1562319), (22, 1278261), (27, 1041546), (33, 852174), (43, 653994), (54, 520773), (66, 426087), (81, 347182), (86, 326997), (99, 284058), (129, 217998), (162, 173591), (198, 142029), (258, 108999), (297, 94686), (367, 76626), (387, 72666), (473, 59454), (594, 47343), (734, 38313), (774, 36333), (891, 31562), (946, 29727), (1101, 25542), (1161, 24222), (1419, 19818), (1782, 15781), (2202, 12771), (2322, 12111), (2838, 9909), (3303, 8514), (3483, 8074), (4037, 6966), (4257, 6606)]