291225920768

素因数分解:

$2^8\times {\mathrm{1137601253}}^1$

素因数の和:1137601269

約数の個数: 18

約数和(自身を含む): 581314240794

約数和(自身を除く): 290088320026

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1137601253, 2275202506, 4550405012, 9100810024, 18201620048, 36403240096, 72806480192, 145612960384, 291225920768]

約数ペア:

[(1, 291225920768), (2, 145612960384), (4, 72806480192), (8, 36403240096), (16, 18201620048), (32, 9100810024), (64, 4550405012), (128, 2275202506), (256, 1137601253)]