257747888

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{16763}}^1$

素因数の和:16833

約数の個数: 30

約数和(自身を含む): 516046212

約数和(自身を除く): 258298324

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1922, 3844, 7688, 15376, 16763, 33526, 67052, 134104, 268208, 519653, 1039306, 2078612, 4157224, 8314448, 16109243, 32218486, 64436972, 128873944, 257747888]

約数ペア:

[(1, 257747888), (2, 128873944), (4, 64436972), (8, 32218486), (16, 16109243), (31, 8314448), (62, 4157224), (124, 2078612), (248, 1039306), (496, 519653), (961, 268208), (1922, 134104), (3844, 67052), (7688, 33526), (15376, 16763)]