257055118

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{7529}}^1$

素因数の和:7971

約数の個数: 16

約数和(自身を含む): 395596080

約数和(自身を除く): 138540962

約数列:

[1, 2, 43, 86, 397, 794, 7529, 15058, 17071, 34142, 323747, 647494, 2989013, 5978026, 128527559, 257055118]

約数ペア:

[(1, 257055118), (2, 128527559), (43, 5978026), (86, 2989013), (397, 647494), (794, 323747), (7529, 34142), (15058, 17071)]