31919690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{661}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 62916480

約数和(自身を除く): 30996790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 661, 878, 1322, 2195, 3305, 4390, 4829, 6610, 7271, 9658, 14542, 24145, 36355, 48290, 72710, 290179, 580358, 1450895, 2901790, 3191969, 6383938, 15959845, 31919690]

約数ペア:

[(1, 31919690), (2, 15959845), (5, 6383938), (10, 3191969), (11, 2901790), (22, 1450895), (55, 580358), (110, 290179), (439, 72710), (661, 48290), (878, 36355), (1322, 24145), (2195, 14542), (3305, 9658), (4390, 7271), (4829, 6610)]