219316531

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{1997}}^1$

素因数の和:2574

約数の個数: 16

約数和(自身を含む): 259899840

約数和(自身を除く): 40583309

約数列:

[1, 7, 29, 203, 541, 1997, 3787, 13979, 15689, 57913, 109823, 405391, 1080377, 7562639, 31330933, 219316531]

約数ペア:

[(1, 219316531), (7, 31330933), (29, 7562639), (203, 1080377), (541, 405391), (1997, 109823), (3787, 57913), (13979, 15689)]