247392578

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1\times {\mathrm{1237}}^1$

素因数の和:1554

約数の個数: 24

約数和(自身を含む): 393379452

約数和(自身を除く): 145986874

約数列:

[1, 2, 19, 38, 277, 361, 554, 722, 1237, 2474, 5263, 10526, 23503, 47006, 99997, 199994, 342649, 446557, 685298, 893114, 6510331, 13020662, 123696289, 247392578]

約数ペア:

[(1, 247392578), (2, 123696289), (19, 13020662), (38, 6510331), (277, 893114), (361, 685298), (554, 446557), (722, 342649), (1237, 199994), (2474, 99997), (5263, 47006), (10526, 23503)]