1277014784

素因数分解:

$2^8\times {\mathrm{4988339}}^1$

素因数の和:4988355

約数の個数: 18

約数和(自身を含む): 2549041740

約数和(自身を除く): 1272026956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4988339, 9976678, 19953356, 39906712, 79813424, 159626848, 319253696, 638507392, 1277014784]

約数ペア:

[(1, 1277014784), (2, 638507392), (4, 319253696), (8, 159626848), (16, 79813424), (32, 39906712), (64, 19953356), (128, 9976678), (256, 4988339)]