28217574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20359}}^1$

素因数の和:20385

約数の個数: 48

約数和(自身を含む): 76227840

約数和(自身を除く): 48010266

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20359, 40718, 61077, 122154, 142513, 183231, 223949, 285026, 366462, 427539, 447898, 671847, 855078, 1282617, 1343694, 1567643, 2015541, 2565234, 3135286, 4031082, 4702929, 9405858, 14108787, 28217574]

約数ペア:

[(1, 28217574), (2, 14108787), (3, 9405858), (6, 4702929), (7, 4031082), (9, 3135286), (11, 2565234), (14, 2015541), (18, 1567643), (21, 1343694), (22, 1282617), (33, 855078), (42, 671847), (63, 447898), (66, 427539), (77, 366462), (99, 285026), (126, 223949), (154, 183231), (198, 142513), (231, 122154), (462, 61077), (693, 40718), (1386, 20359)]