2557264

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{577}}^1$

素因数の和:862

約数の個数: 20

約数和(自身を含む): 4981204

約数和(自身を除く): 2423940

約数列:

[1, 2, 4, 8, 16, 277, 554, 577, 1108, 1154, 2216, 2308, 4432, 4616, 9232, 159829, 319658, 639316, 1278632, 2557264]

約数ペア:

[(1, 2557264), (2, 1278632), (4, 639316), (8, 319658), (16, 159829), (277, 9232), (554, 4616), (577, 4432), (1108, 2308), (1154, 2216)]