28439908

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16651}}^1$

素因数の和:16723

約数の個数: 24

約数和(自身を含む): 57815744

約数和(自身を除く): 29375836

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 16651, 33302, 66604, 116557, 233114, 466228, 1015711, 2031422, 4062844, 7109977, 14219954, 28439908]

約数ペア:

[(1, 28439908), (2, 14219954), (4, 7109977), (7, 4062844), (14, 2031422), (28, 1015711), (61, 466228), (122, 233114), (244, 116557), (427, 66604), (854, 33302), (1708, 16651)]