281387092

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{24571}}^1$

素因数の和:24991

約数の個数: 24

約数和(自身を含む): 564173120

約数和(自身を除く): 282786028

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 24571, 49142, 98284, 171997, 343994, 687988, 10049539, 20099078, 40198156, 70346773, 140693546, 281387092]

約数ペア:

[(1, 281387092), (2, 140693546), (4, 70346773), (7, 40198156), (14, 20099078), (28, 10049539), (409, 687988), (818, 343994), (1636, 171997), (2863, 98284), (5726, 49142), (11452, 24571)]