647966139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{40169}}^1$

素因数の和:40474

約数の個数: 16

約数和(自身を含む): 912662400

約数和(自身を除く): 264696261

約数列:

[1, 3, 19, 57, 283, 849, 5377, 16131, 40169, 120507, 763211, 2289633, 11367827, 34103481, 215988713, 647966139]

約数ペア:

[(1, 647966139), (3, 215988713), (19, 34103481), (57, 11367827), (283, 2289633), (849, 763211), (5377, 120507), (16131, 40169)]