31991183

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 39046656

約数和(自身を除く): 7055473

約数列:

[1, 7, 23, 43, 161, 301, 989, 4621, 6923, 32347, 106283, 198703, 743981, 1390921, 4570169, 31991183]

約数ペア:

[(1, 31991183), (7, 4570169), (23, 1390921), (43, 743981), (161, 198703), (301, 106283), (989, 32347), (4621, 6923)]