28209236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{947}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 53990496

約数和(自身を除く): 25781260

約数列:

[1, 2, 4, 11, 22, 44, 677, 947, 1354, 1894, 2708, 3788, 7447, 10417, 14894, 20834, 29788, 41668, 641119, 1282238, 2564476, 7052309, 14104618, 28209236]

約数ペア:

[(1, 28209236), (2, 14104618), (4, 7052309), (11, 2564476), (22, 1282238), (44, 641119), (677, 41668), (947, 29788), (1354, 20834), (1894, 14894), (2708, 10417), (3788, 7447)]