2491166951

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{19429}}^1$

素因数の和:20858

約数の個数: 16

約数和(自身を含む): 3068385600

約数和(自身を除く): 577218649

約数列:

[1, 7, 13, 91, 1409, 9863, 18317, 19429, 128219, 136003, 252577, 1768039, 27375461, 191628227, 355880993, 2491166951]

約数ペア:

[(1, 2491166951), (7, 355880993), (13, 191628227), (91, 27375461), (1409, 1768039), (9863, 252577), (18317, 136003), (19429, 128219)]