42939449

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 51840000

約数和(自身を除く): 8900551

約数列:

[1, 7, 19, 133, 499, 647, 3493, 4529, 9481, 12293, 66367, 86051, 322853, 2259971, 6134207, 42939449]

約数ペア:

[(1, 42939449), (7, 6134207), (19, 2259971), (133, 322853), (499, 86051), (647, 66367), (3493, 12293), (4529, 9481)]