17212988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{25463}}^1$

素因数の和:25493

約数の個数: 18

約数和(自身を含む): 32619384

約数和(自身を除く): 15406396

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 25463, 50926, 101852, 331019, 662038, 1324076, 4303247, 8606494, 17212988]

約数ペア:

[(1, 17212988), (2, 8606494), (4, 4303247), (13, 1324076), (26, 662038), (52, 331019), (169, 101852), (338, 50926), (676, 25463)]