133078934768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{639802571}}^1$

素因数の和:639802592

約数の個数: 20

約数和(自身を含む): 277674316248

約数和(自身を除く): 144595381480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 639802571, 1279605142, 2559210284, 5118420568, 8317433423, 10236841136, 16634866846, 33269733692, 66539467384, 133078934768]

約数ペア:

[(1, 133078934768), (2, 66539467384), (4, 33269733692), (8, 16634866846), (13, 10236841136), (16, 8317433423), (26, 5118420568), (52, 2559210284), (104, 1279605142), (208, 639802571)]