81189376

素因数分解:

$2^9\times {\mathrm{158573}}^1$

素因数の和:158591

約数の個数: 20

約数和(自身を含む): 162221202

約数和(自身を除く): 81031826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 158573, 317146, 634292, 1268584, 2537168, 5074336, 10148672, 20297344, 40594688, 81189376]

約数ペア:

[(1, 81189376), (2, 40594688), (4, 20297344), (8, 10148672), (16, 5074336), (32, 2537168), (64, 1268584), (128, 634292), (256, 317146), (512, 158573)]