256089424

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{372223}}^1$

素因数の和:372274

約数の個数: 20

約数和(自身を含む): 507713536

約数和(自身を除く): 251624112

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 372223, 744446, 1488892, 2977784, 5955568, 16005589, 32011178, 64022356, 128044712, 256089424]

約数ペア:

[(1, 256089424), (2, 128044712), (4, 64022356), (8, 32011178), (16, 16005589), (43, 5955568), (86, 2977784), (172, 1488892), (344, 744446), (688, 372223)]