81241856

素因数分解:

$2^8\times {\mathrm{317351}}^1$

素因数の和:317367

約数の個数: 18

約数和(自身を含む): 162166872

約数和(自身を除く): 80925016

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 317351, 634702, 1269404, 2538808, 5077616, 10155232, 20310464, 40620928, 81241856]

約数ペア:

[(1, 81241856), (2, 40620928), (4, 20310464), (8, 10155232), (16, 5077616), (32, 2538808), (64, 1269404), (128, 634702), (256, 317351)]