1291229168

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{160441}}^1$

素因数の和:160952

約数の個数: 20

約数和(自身を含む): 2506745808

約数和(自身を除く): 1215516640

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 160441, 320882, 641764, 1283528, 2567056, 80701823, 161403646, 322807292, 645614584, 1291229168]

約数ペア:

[(1, 1291229168), (2, 645614584), (4, 322807292), (8, 161403646), (16, 80701823), (503, 2567056), (1006, 1283528), (2012, 641764), (4024, 320882), (8048, 160441)]