398414716

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{71503}}^1$

素因数の和:71713

約数の個数: 24

約数和(自身を含む): 800844800

約数和(自身を除く): 402430084

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 71503, 143006, 286012, 500521, 1001042, 2002084, 14229097, 28458194, 56916388, 99603679, 199207358, 398414716]

約数ペア:

[(1, 398414716), (2, 199207358), (4, 99603679), (7, 56916388), (14, 28458194), (28, 14229097), (199, 2002084), (398, 1001042), (796, 500521), (1393, 286012), (2786, 143006), (5572, 71503)]