161720236

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{2411}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 290742480

約数和(自身を除く): 129022244

約数列:

[1, 2, 4, 41, 82, 164, 409, 818, 1636, 2411, 4822, 9644, 16769, 33538, 67076, 98851, 197702, 395404, 986099, 1972198, 3944396, 40430059, 80860118, 161720236]

約数ペア:

[(1, 161720236), (2, 80860118), (4, 40430059), (41, 3944396), (82, 1972198), (164, 986099), (409, 395404), (818, 197702), (1636, 98851), (2411, 67076), (4822, 33538), (9644, 16769)]