166020868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{245593}}^1$

素因数の和:245623

約数の個数: 18

約数和(自身を含む): 314605914

約数和(自身を除く): 148585046

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 245593, 491186, 982372, 3192709, 6385418, 12770836, 41505217, 83010434, 166020868]

約数ペア:

[(1, 166020868), (2, 83010434), (4, 41505217), (13, 12770836), (26, 6385418), (52, 3192709), (169, 982372), (338, 491186), (676, 245593)]