1218819328

素因数分解:

$2^8\times {\mathrm{4761013}}^1$

素因数の和:4761029

約数の個数: 18

約数和(自身を含む): 2432878154

約数和(自身を除く): 1214058826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4761013, 9522026, 19044052, 38088104, 76176208, 152352416, 304704832, 609409664, 1218819328]

約数ペア:

[(1, 1218819328), (2, 609409664), (4, 304704832), (8, 152352416), (16, 76176208), (32, 38088104), (64, 19044052), (128, 9522026), (256, 4761013)]