31497991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13931}}^1$

素因数の和:13974

約数の個数: 16

約数和(自身を含む): 40124160

約数和(自身を除く): 8626169

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 13931, 97517, 236827, 264689, 1657789, 1852823, 4499713, 31497991]

約数ペア:

[(1, 31497991), (7, 4499713), (17, 1852823), (19, 1657789), (119, 264689), (133, 236827), (323, 97517), (2261, 13931)]