31144718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 52420608

約数和(自身を除く): 21275890

約数列:

[1, 2, 11, 22, 71, 127, 142, 157, 254, 314, 781, 1397, 1562, 1727, 2794, 3454, 9017, 11147, 18034, 19939, 22294, 39878, 99187, 122617, 198374, 219329, 245234, 438658, 1415669, 2831338, 15572359, 31144718]

約数ペア:

[(1, 31144718), (2, 15572359), (11, 2831338), (22, 1415669), (71, 438658), (127, 245234), (142, 219329), (157, 198374), (254, 122617), (314, 99187), (781, 39878), (1397, 22294), (1562, 19939), (1727, 18034), (2794, 11147), (3454, 9017)]