1256138816

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{276439}}^1$

素因数の和:276522

約数の個数: 28

約数和(自身を含む): 2527767360

約数和(自身を除く): 1271628544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 276439, 552878, 1105756, 2211512, 4423024, 8846048, 17692096, 19627169, 39254338, 78508676, 157017352, 314034704, 628069408, 1256138816]

約数ペア:

[(1, 1256138816), (2, 628069408), (4, 314034704), (8, 157017352), (16, 78508676), (32, 39254338), (64, 19627169), (71, 17692096), (142, 8846048), (284, 4423024), (568, 2211512), (1136, 1105756), (2272, 552878), (4544, 276439)]