209125904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1005413}}^1$

素因数の和:1005434

約数の個数: 20

約数和(自身を含む): 436349676

約数和(自身を除く): 227223772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1005413, 2010826, 4021652, 8043304, 13070369, 16086608, 26140738, 52281476, 104562952, 209125904]

約数ペア:

[(1, 209125904), (2, 104562952), (4, 52281476), (8, 26140738), (13, 16086608), (16, 13070369), (26, 8043304), (52, 4021652), (104, 2010826), (208, 1005413)]