27989181902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{10979}}^1\times {\mathrm{115879}}^1$

素因数の和:126871

約数の個数: 16

約数和(自身を含む): 45805046400

約数和(自身を除く): 17815864498

約数列:

[1, 2, 11, 22, 10979, 21958, 115879, 120769, 231758, 241538, 1274669, 2549338, 1272235541, 2544471082, 13994590951, 27989181902]

約数ペア:

[(1, 27989181902), (2, 13994590951), (11, 2544471082), (22, 1272235541), (10979, 2549338), (21958, 1274669), (115879, 241538), (120769, 231758)]