290498908

素因数分解:

$2^2\times 7^1\times {\mathrm{2161}}^1\times {\mathrm{4801}}^1$

素因数の和:6973

約数の個数: 24

約数和(自身を含む): 581387744

約数和(自身を除く): 290888836

約数列:

[1, 2, 4, 7, 14, 28, 2161, 4322, 4801, 8644, 9602, 15127, 19204, 30254, 33607, 60508, 67214, 134428, 10374961, 20749922, 41499844, 72624727, 145249454, 290498908]

約数ペア:

[(1, 290498908), (2, 145249454), (4, 72624727), (7, 41499844), (14, 20749922), (28, 10374961), (2161, 134428), (4322, 67214), (4801, 60508), (8644, 33607), (9602, 30254), (15127, 19204)]