249980017

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{268507}}^1$

素因数の和:268540

約数の個数: 12

約数和(自身を含む): 306099120

約数和(自身を除く): 56119103

約数列:

[1, 7, 19, 49, 133, 931, 268507, 1879549, 5101633, 13156843, 35711431, 249980017]

約数ペア:

[(1, 249980017), (7, 35711431), (19, 13156843), (49, 5101633), (133, 1879549), (931, 268507)]