139731508

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{160981}}^1$

素因数の和:161023

約数の個数: 24

約数和(自身を含む): 288479744

約数和(自身を除く): 148748236

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 160981, 321962, 643924, 1126867, 2253734, 4507468, 4990411, 9980822, 19961644, 34932877, 69865754, 139731508]

約数ペア:

[(1, 139731508), (2, 69865754), (4, 34932877), (7, 19961644), (14, 9980822), (28, 4990411), (31, 4507468), (62, 2253734), (124, 1126867), (217, 643924), (434, 321962), (868, 160981)]