31890256

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{68729}}^1$

素因数の和:68766

約数の個数: 20

約数和(自身を含む): 63918900

約数和(自身を除く): 32028644

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 68729, 137458, 274916, 549832, 1099664, 1993141, 3986282, 7972564, 15945128, 31890256]

約数ペア:

[(1, 31890256), (2, 15945128), (4, 7972564), (8, 3986282), (16, 1993141), (29, 1099664), (58, 549832), (116, 274916), (232, 137458), (464, 68729)]