26480209

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 31021056

約数和(自身を除く): 4540847

約数列:

[1, 7, 67, 131, 431, 469, 917, 3017, 8777, 28877, 56461, 61439, 202139, 395227, 3782887, 26480209]

約数ペア:

[(1, 26480209), (7, 3782887), (67, 395227), (131, 202139), (431, 61439), (469, 56461), (917, 28877), (3017, 8777)]