31641988

素因数分解:

$2^2\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{1109}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 63403200

約数和(自身を除く): 31761212

約数列:

[1, 2, 4, 7, 14, 28, 1019, 1109, 2038, 2218, 4076, 4436, 7133, 7763, 14266, 15526, 28532, 31052, 1130071, 2260142, 4520284, 7910497, 15820994, 31641988]

約数ペア:

[(1, 31641988), (2, 15820994), (4, 7910497), (7, 4520284), (14, 2260142), (28, 1130071), (1019, 31052), (1109, 28532), (2038, 15526), (2218, 14266), (4076, 7763), (4436, 7133)]