31472738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20149}}^1$

素因数の和:20233

約数の個数: 16

約数和(自身を含む): 52228800

約数和(自身を除く): 20756062

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20149, 40298, 221639, 443278, 1430579, 2861158, 15736369, 31472738]

約数ペア:

[(1, 31472738), (2, 15736369), (11, 2861158), (22, 1430579), (71, 443278), (142, 221639), (781, 40298), (1562, 20149)]