31271408

素因数分解:

$2^4\times 7^2\times {\mathrm{39887}}^1$

素因数の和:39909

約数の個数: 30

約数和(自身を含む): 70482096

約数和(自身を除く): 39210688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 39887, 79774, 159548, 279209, 319096, 558418, 638192, 1116836, 1954463, 2233672, 3908926, 4467344, 7817852, 15635704, 31271408]

約数ペア:

[(1, 31271408), (2, 15635704), (4, 7817852), (7, 4467344), (8, 3908926), (14, 2233672), (16, 1954463), (28, 1116836), (49, 638192), (56, 558418), (98, 319096), (112, 279209), (196, 159548), (392, 79774), (784, 39887)]